Sweaty Lava 

The act of having sex in a hot tub with a menstruating woman. From the show The Detour.

"I searched the web and found the following for sweaty lava..."

Sweaty Lava by A.Warm May 30, 2016

Sweaty Lava 

When you have sex with a girl in a hot tub on her period.

I found out Suzie was on the rag, so I took her to the hot tub for some sweaty lava action.

Sweaty Lava by KMAC1219 May 30, 2016

Sweaty Lava 

The act of having sex in a hot tub with a menstruating woman.

We just performed Sweaty Lava, it was gross.

Sweaty Lava by Zero Sama January 2, 2017