thwack (n.)
- bang
- bash
- bat
- beating
- belt
- biff
- blow
- bop
- bump
- burst
- bust
- chop
- clap
- clash
- clip
- clobber
- clout
- clump
- crack
- crash
- cut
- dash
- deal
- deck
- dig
- dint
- drubbing
- drumming
- fetch
- flap
- flop
- fusillade
- hit
- jab
- knock
- lick
- paste
- pelt
- plunk
- poke
- pound
- punch
- rap
- report
- slam
- slap
- slat
- slug
- smack
- smash
- snap
- soak
- sock
- splat
- strike
- stroke
- swap
- swat
- swing
- swipe
- tap
- tattoo
- thump
- wallop
- welt
- whack
- whop
thwack (v.)
- bang
- bash
- bat
- belt
- biff
- blow
- bonk
- bop
- bump
- burst
- bust
- chop
- clap
- clash
- clip
- clobber
- clout
- clump
- coldcock
- crack
- crash
- crump
- cut
- dash
- deal
- deck
- dig
- drub
- fetch
- flap
- flop
- fusillade
- hit
- jab
- knock
- lick
- paste
- pelt
- plunk
- poke
- pound
- punch
- rap
- report
- slam
- slap
- slat
- slog
- slug
- smack
- smash
- smite
- snap
- soak
- sock
- splat
- strike
- stroke
- swap
- swat
- swing
- swipe
- tap
- tattoo
- thump
- wallop
- welt
- whack
- wham
- whap
- whomp
- whop
With many a stiff thwack, many a bang,
Hard crab-tree and old iron rang.
