shoot off one's mouth

affirm allege argue cite claim contend defend proclaim profess say stress uphold

advance asseverate attest aver avouch avow justify predicate press pronounce protest state swear warrant

put forward stand up for

deny disavow disclaim negate question refute repudiate

bulldoze gloat hector swagger yap

badger boast brag brazen browbeat cow crow domineer rant rave roar roister storm strut swell vapor vaunt

ride the high horse show off talk big

be modest be quiet deprecate

gush

boast brag chatter declaim expatiate harangue orate pontificate ramble rant sermonize speechify spellbind spiel vapor yell

go on hold forth

be modest be quiet deprecate

drain