biff (n.)
- bang
- bash
- bat
- beating
- belt
- blow
- bop
- catch
- chop
- clap
- clip
- clobber
- clout
- clump
- crack
- cut
- dash
- deal
- deck
- dig
- ding
- dint
- drubbing
- drumming
- fetch
- fusillade
- hit
- jab
- knock
- lick
- nail
- paste
- pelt
- plunk
- poke
- pound
- punch
- rap
- slam
- slug
- smack
- smash
- snap
- soak
- sock
- strike
- stroke
- swat
- swing
- swipe
- tattoo
- thump
- thwack
- wallop
- whack
- whop
biff (v.)
- bang
- bash
- bat
- belt
- blow
- bonk
- bop
- catch
- chop
- clap
- clip
- clobber
- clout
- clump
- coldcock
- crack
- cut
- dash
- deal
- deck
- dig
- ding
- drub
- fetch
- fusillade
- hit
- jab
- knock
- lick
- nail
- paste
- pelt
- plunk
- poke
- pound
- punch
- rap
- slam
- slog
- slosh
- slug
- smack
- smash
- smite
- snap
- soak
- sock
- strike
- stroke
- swat
- swing
- swipe
- tattoo
- thump
- thwack
- wallop
- whack
- wham
- whop
