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1. gonch
Underwear - usually tighty whities with a stretched elastic and bearing the marks of a quarter mile dragstrip which are fuckin unbleachable. Usually vyach just waits til they disintigrate to chuck em. a key and necessary element in gonch pulls.

aka gawnch or gonchies
ewwwwww, whose immigrant gonch???
by Dexter Mar 26, 2003 add a video
2. gonch
A disease or infection of unknown origin, usually sexually transmitted
Ah man, looks like I've got the gonch

What Happened to that girl?
Shes got the gonch
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