The initial idioms of the letter B

big picture	big send-off
big shot	a big shot
big sleep	big spender
big stink	big talk
big tent	big things come in small packages
big ticket	big time
big top	big up
big wheel	big with
big with child	big with someone
big woman on campus	big year
big Zs	bigass
big-boy pants	big-C
big-D	bigface
big	bigger fish to fry
big as life	more/bigger/greater than the sum of its parts