When a man has a quite sharp member and thrusts it with vigor into the girl.

OR

when a man puts 5 fingers into a woman whilst being tossed off by another man and drooled on by a dog
Alison: OMG Jake and me had a peruvian knife thruster last night!
Chloe: ow.

OR

Peter: "aww man i gave her the peruvian knife thruster last night"

Jake: "oh yeah? how was the dog"
Peter: "awman it was fucking amazing"
by wolfkid June 15, 2009
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