guff (n.)
- babble
- balderdash
- baloney
- bilge
- blab
- blabber
- blah
- blather
- blether
- bop
- bosh
- bull
- bullshit
- bunk
- bunkum
- cackle
- chat
- chatter
- clack
- claptrap
- clatter
- crap
- gab
- gabble
- gas
- gibber
- gossip
- hogwash
- hokum
- hooey
- jabber
- lip
- malarkey
- moonshine
- mouth
- palaver
- piffle
- poppycock
- prate
- prattle
- rot
- sass
- sauce
- scat
- shit
- tittle-tattle
- tommyrot
- trash
- tripe
- twaddle
- wind
- yak