big cheeky butt. Derived from Thunder Butt. Can also be referred as Thunder Cheeks. bubble butt booty big butt
Wow, mon check out that thuder chunk at 5'oclock.
by Kipp December 15, 2004
a HUGE bitch!
EVERBODY RUN ITS THUNDERCHUNKS! DUN DUN DUN NAHHHHHhHH
by jeremy ryan April 07, 2004
An emcee who is known for his battle rapping, in and around the Massachusetts underground hip-hop scene.
Yo, I heard some fool is battling Thunder Chunk tonight.
by Houseman August 06, 2008