When a girl gets a load of cum in her mouth then swishes it around as if it's a milkshake.
"I totally enjoyed thevery tastey cum shake I had last night."
by daddy's bad little bitch August 16, 2018
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when you make a milk shake for a kid you dont like and jiz in it while making it. so the kid will be unaware he is drinking your kids
i made that fag a cum shake and he said it was the best thing he ever tasted.

Frank said he loved the milkshake you made for him. That was not a milkshake that loser had a cum shake
by Franklin nut face February 18, 2009
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When you mix a white protein powder with milk.
Jeremiah: You bring your cum shake today?
Ethan: Yeah, lemme go get some milk.
by Razordaddy December 2, 2021
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