(v) to make the penis wet, presumably for intercourse.
Sally and I were about to get busy, but I couldn't since I was dry. She used her mouth to invaginate my penis, and then we got it on.
by invaginator October 30, 2007
Top Definition
1. To enclose or become enclosed.

2. To turn or become inward.

3. To infold or become infolded so as to form a hollow space within a previously solid structure.
The larnyx ventricle conists of a large fold invaginating from the lumen.
by Belisarius March 02, 2004
1. the action of engulfing into the vaginal cavity
2. imagining/fantasizing about vagina related topics
1. Destruction Mike: "Hey did you penetrate her last night?"

Fuckin' Phoenix: "Nah bro, she totally invaginated me"
2. FP: "are you even listening to me!?"

DM: "soz dude I wasnt payin attention, I was just invaginating about stuff with my invagination"
by Destruction Mike December 10, 2014
To take a relatively sharp implement and thrust it in a penetrating fashion into another body creating a vagina like hole.
I am going to invaginate you with this vegetable peeler and then fuck the shit out of your tiny vaginas .
by CreepyG June 02, 2010
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