chunkfart
1)When you try to fart, but just end up
shitting yourself and producing lumpy craps
2)A rediculously
annoying person- usually refers to someone's much
younger sibling
1)Johnny made a fool of himself during the farting contest, when he thought he was going to blast
the mother of 'em all, and did a chunkfart
instead, and tragically shat himself.
2)
Get away from me, you fuckin' chunkfart!