lava juice

When a dude fucks a person pretty hard (male/female) that their stomach starts to hurt. Cum can make it worse.

Matt: "Just a bit of 'Lava Juice' from the stomach. It was a little violent, but I like to be rough sometimes."
Ilse: "It hurts, you bastard!"

lava juiced

When an astronaut jizzes in another astronauts helmit to make it look like a lava lamp inside.

"Dude, do you think Neil Armstrong ever got lava juiced?"

"What the fuck is wrong is you? But yeah he probably did."

Lava Juice

A bloody queef usually happening when a woman is on her period.

Girl 1: Did you here that pop? Cause that bitch just lava juiced

Girl 2: wha- (wheezes)