look up any word, like sex:
 
2.
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
 
1.
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