Blow the whistle (on) Betrayer Backstabber Betrayer: Slang. Brown, or Norway, ___. Betrayer. "Brother ___." Brother ___. Bandicoot. "Brother ___" Bad guy Brother ___ Before a-tat Be a stool pigeon "Brother ___," 1938 film British nark's U.S. counterpart Be a tattletale Blab to the cops Bandicoot Ben in the film "Ben" Betray, with "on" Back-stabber Blackguard Bewhiskered trash collector Blow the whistle (on) Backstabber Betrayer Backstabber Backstabber Be a fink BWI posting Blab Blow the whistle Back-stabber Ben on film, for one Bean spiller Ben, in a film Bean-spiller Big artery Ben in "Ben" Bewhiskered trash invader Blood line Blood line? Big artery BWI posting Blood line Bypass surgery site Be a squealer Backstabber Blood vessel of the heart Blood vessel Blackguard Blood vessel discovered in Australia or Tasmania Bus sched. letters Bus sched. letters Blood carrier from the heart Betrayer Blow the whistle Blood line Bit of info that may follow 'omw' BWI posting Bus sked info Bus sked info Big blood vessel Big blood vessel Body's main artery Backstabber Blood line? Blood line Big blood line Bus sched. approximation Boarding pass info Balkan vowel Bit of in-flight info Brief 'When are you getting here?' Bus schedule info Best guess? Bad weather might change it: Abbr. Basque separatist group Bilbao Mrs. ___ Beta Pi (classic spoof fraternity) Barely allowing access Barely admitting air Barely open Bad weather might affect it Be a canary Blow the whistle Bit of in-flight info Backstabber Brass ___ (MIT class ring) Barely open ___ Beta Pi. Bean spiller? Between zeta and theta. Blackguard Back stabber Betrayer Barely allowing access Barely admitting air Before theta Blow the whistle Betray, with "on" Barely open Bus-sched. entry Barely open Between zeta and theta Backstabber Blow the whistle Bus station abbr. Brief airport announcement Blackguard Ben in the film "Ben" Backstabber Ballpark fig. at the airport Be a stooly Between open and closed Blackguard Blow the whistle Betray, with "on" Barely open Barely open Barely open Barely open Be a fink Barely allowing access Barely open, as a door Between open and closed Backstabber Beans spiller Bobby Rydell's "Forget ___" Blood line Blood line? Blood line Blood vessel Blood vessel Bloodline? Blood line? Bloody passage Blood carrier Blood line Blood vessel that begins at the heart Blood line Big blood carrier Blood line? Blood carrier Big Artery Body trunk Blood carrier Big artery Blood line Blood line Blood vessel Barely open Barely open Barely open Barely open Barely open Barely open Barely open, as a door Barely open Barely open "Black box" regulator: Abbr. Branch of the Dept. of Transportation "Black box" regulator (Abbr.) BWI overseers Branch of the Dept. of Transportation Black-sock wearer in gym, perhaps Bookish type Bully's frequent target Bookish type, often Bookish type Bookish type Bart's friend Milhouse, e.g. Bully's target, often Butt of jokes Bookish type, often Bookish sort Bookish type Bookworm, scornfully Bookish type Bookworm, perhaps Bookworm Bookish one Bully's victim, often Bookish person Bookish persona Beanie wearer, maybe Bookworm, perhaps Bully's target, perhaps Bore Bookworm Brainy, socially inept sort Bully's prey, often Bully's prey, traditionally Bully's target, maybe Brainiac's put-down Bookworm, maybe Brainy person, and proud of it Brainiac, stereotypically Bookworm, to a bully Bully's prey, in stereotypes Brainy, socially inept sort Black-sock wearer in gym, stereotypically Bully's prey, traditionally Bookworm, stereotypically Bookworm Bookworm, in stereotypes Bookworm, scornfully Brainy one Bookworm, in stereotypes Bully's prey, perhaps Brainy, socially inept sort Book lover to the extreme Bookworm, stereotypically Bully's target, often Bully's target Bully's target, often Bully's target Brainiac, stereotypically Bookworm, in stereotypes Bookworm, scornfully Bookworm Book lover to the extreme Bookworm, stereotypically Bully's target, often Bookish one Buff to an excessive extent Bookish type Bookish type Bookworm, maybe Bully's target Boringly studious person Bookish type Brainy introvert Bookish sort Black ___ Problems (pop culture website) Boring student starts to name each ruddy dog! Bookish sort Bookish sort Brainy sort Be a bad winner Be a bad winner Be a sore winner Be a bad sport Brag obnoxiously Be a sore winner Be an ungracious winner, say Be a bad sport Brag Be boastful