Solid, firm fecal matter.
I was eating out this chick and she spewed hot butt chunks all over my face.
Fecal matter expelled from the anus.
I spewed hot, sticky butt chunks all over the toilet.
A brown poopy substance containing large particles of waiste.
I pooped brown butt chunks on my turtle in the toilet.
Typically used by people who want to find a creative way to use the word "butt" in an insult that isn't "butthead" or "butthole."
Not literally referring to a chunk of a butt.
Andy ate the last oreo again. God, he's such a buttchunk.
a rocky brown substance, similar to crystalised ginger, that once expelled from the anus causes a sharp pain in the recipient's eye
ah fuck! you butt chunked me!
An offensive person. A jerk.
That guy just cut me off! What a butt chunk!!
1.someone absolutely annoying, bothersome
2. A little chunk of poo with beans in it
1. OMG evan is such a buttchunk.
2. You should have seen this gross buttchunk i left in the toilet