- barometer
- boo at
- be given to understand
- bootlessness
- bums
- burr in someon's saddle
- brouhaha
- beer gut
- be untrue to oneself
- blessed out
- brass monkeys
- bloodsucker
- be on at someone
- boggle at
- bowl over
- become naturalized
- banjax
- be nosy
- bow and scrape
- bingy
- be intimate
- brats
- big wheel
- butter-up
- be in the land of Nod
- be in seventh heaven
- bevvies
- biff
- boycott something
- be steamed up
- be a cut above
- brummagem
- bloomers
- boat race
- bring up to code
- bow to
- billabong
- bull session
- be a blot on the landscape
- be miffed
- boshie
- breaking off
- be chock-full with
- back talk
- bashing
- bumf
- buzz off
- boke
- bitter pill
- Brit. getting on for
- bushed
- be all Greek to
- be significant
- barbaric barbarous
- bobbies
- be nutty about
- be gagging for
- by the same token
- buckaroo
- bags luggage baggage
- bear a grudge about
- brooding
- be on the side of
- bad-mouthing
- blow one's top
- black English big up
- be nuts about
- busies
- badmouth
- barely perceptible
- break someone's spirit
- born yesterday
- bug off
- be bent on
- box someone's ears
- bits and pieces
- boondocks
- boffola
- boastfulness
- by a long chalk
- be potty about
- bask in
- blow away the cobwebs
- bird-brained
- be pleased with
- be unable to stand
- bad feeling
- broad-shouldered
- broad-mindednes
- barracking
- batman
- bookman
- be made about
- bread basket
- be stuffed with
- beerhouse
- burr under someon's saddle
- bamboozled
- behalf
- be athirst for