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A chav or any other male who is particularly interested in women's underwear, particularly the gusset region.

Mainly men who don't get sex a lot and like the smell of underwear

"Get out of my knicker drawer you gusset monkey"

"He was a right gusset monkey, he couldn't stop sniffing my crotch the dirty unwashed chav"
by Cilla Black July 01, 2006
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