- be hand in glove with
- bust a gut
- be abundant in
- be in the driver's seat
- banged up
- bells and whistles
- belly-up
- buyers
- bellyacher
- blurt out
- be careful
- blue-eyed
- brush of
- blether
- brood about
- bulging at the seams
- be lost in contemplation
- be pertinent
- be dishonest
- burr under someone's saddle
- big fish
- bitchiness
- be besotted with
- bald-pated
- be hooked on
- bigmoney
- be cautious
- bite one's lip
- buddy
- beaver
- become seasoned
- bit of fluff
- bickering
- brambles
- blalladeer
- broncobuster
- blow out of all proportion
- blow out of the water
- burst forth
- boner
- be at each other's throats
- be eating one's heart out
- booster
- below par
- by law
- bodge
- blow the whistle on
- be head and shoulders above
- battle-axe
- be taught
- beer belly
- blazon abroad
- brain cells
- bearings
- be symptomatic
- blow sky-high
- bunion
- bombshell
- be dying
- bally-hoo
- bigheaded
- bootlicking
- bulldodze
- blag
- bludger
- be-take oneself
- bodach
- be thick with
- be billeted
- be beside oneself with joy
- brass hat
- befoul
- bad-mannered
- bronco
- barometer
- blow to one's pride
- blow up out of all proportion
- bandy words
- be the boss of
- busted
- be the solution to
- bargainer
- bark up the wrong tree
- brig
- big hip
- bone idle
- baulk at
- be a warning of
- be bound by
- be brought about by
- belting
- bear out
- bather
- beaver away
- buyable
- be on cloud nine
- blow away
- blamelessness
- by one's own efforts
- be unstable