The act of sneaking up behind another person and proceeding to forcefully grab their junk. You must always yell the word "goinch" after you have successfully completed your goinch.
Brian: I ran to Bio Class in my boxers because I thought was late for the final. Turns out it was rescheduled for next week.
Sam: Damn, nigga, you got gooched on.
When a girls vagina is so big it looks like a goonch catfish's mouth laying on it's side.
Will: Hey, check out this picture of my girls vagina, does it look big to you?
Mike: Wow, dude, your girl has a huge gooncher, be careful when eating that, it might eat back.
The act of sneaking up behind another person and proceeding to forcefully grab their junk. You must always yell the word "goinch" after you have successfully completed your goinch.
The act or description of a person, place or thing that has been broken, tainted, or has been destroyed. Named for the famous character in "Diff'rent Strokes" (Episode 44, Return of the Gooch) that wanted to beat up Willis.