When you finish eating a girl out and there are heavy white strands of her cum on your chin.
Bob: not sure if you have been enjoying this or not. With all the screaming and everything.

Girl: OOooooooooooo don't stop. If you look in the mirror you can see my Chin Spinach.

Bob: Ok. ooommmmmmm nom nom nom.
by Grimztone December 24, 2011
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Reference to a 1949 Three Stooges short called "Malice in the Palace", in which Moe calls a man with a beard a spinach chin.
Thus, calling someone a spinach chin is accusing them of having a beard, and perhaps a scruffy one at that.
Hey spinach chin, why don't you try on those asphalt shoes, look like they fit ya pretty freakin good!
by rtil April 20, 2005
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