Baby brain
Baby bump
Baby snatcher
Back seat driver
Back to square one
Back to the drawing board
Bad break
Bad hair day
Bad workman always blames his tools
Baker's dozen
Bag lady
Barking up the wrong tree
Barnet Fair
Basket case
Bat from the pavilion end
Be a sport
Be glad to see the back of
Beach bum
Bean counter
Beat around the bush
Beauty contest / Beauty parade
Bedroom tax
Bells and whistles
Bend over backwards
Between a rock and a hard place
Between the wars
Beyond price
Big ask
Big fish in a small pond
Bigger bang for your buck
Binge watch
Bird in the hand is worth two in the bush
Bitch slap
Bite to eat
Bite off more than you can chew
Bite the dust
Bite your tongue
Blessing in disguise
Blood blister
Blood is thicker than water
Blow a raspberry
Blue plate special
Boat race
Bottle and glass
Bought the farm
Brahms and Lizst
Brass monkey weather
Brass tacks
Break a leg
Breast is best
Bricks and mortar
Brighton Pier
Bring your A game
Brown bread
Brown out
Brum brum
Bucket list
Bull and cow
Bunch of fives
Burn the midnight oil
Bust a move
Buy a lemon
© Gary Martin