When you are feeling like absolute shit, and you vomit...and vomit and vomit, until you can't possibly vomit anymore.
"When he was punched in the gut after that fight and a couple of hundred beers, he thunder chundered"
by AnnoyedBlackGuy July 22, 2006
1 more definition
To vomit unexpectedly with great force
Did you see Barry last night? He drank all that beer, then ate a spicy Vindaloo curry. He then suddenly got a big case of the 'Thunder Chunder'
by Chuck-up June 05, 2008