1 definition by GrandpaBlues

When you cum inside but dont pull out then keep going and the juices mix into a foam.
Tom: Bro I didn't even tell you about last night.
Jay: What happened?
Tom: I was milkshaking the fuck outta her.
Jay: *vomits*
by GrandpaBlues March 3, 2020
Get the milkshaking mug.