Relative humidity

The sweat between two cousin's having sex together.

The relative humidity had to be %90 between aunt Mary jo and cousin Clem

by Evil Jokester October 20, 2019

relative humidity

The bead of sweat that rolls down your Sister's back when you're banging her doggie style.

The Relative Humidity was high during our Family Union

by Anonymous September 18, 2003

relative humidity

the sweat on your balls while fucking your cousin

At the family reunion, the relative humidity was all i could think about

by CASEY CARMAN January 23, 2009

relative humidity

It's that little drop of sweat that beads up on the back of your neck and dribbles down your back, thru your crack and eventually drips off of your ball while your fucking you sister.

by Pat May 14, 2003

relative humidity

The sweat that drips off your balls when you're caught fucking your cousin!

Last night I had some major relative humidity!

by Nicole December 14, 2003

relative humidity

The perspiration that forms between the shoulder blades of your first cousin, while you are fucking her in the ass.

Uncle Mike ... the relative humidity sure is high in your daughters bedroom.

by maggotvommit April 17, 2004

relative humidity

the saliva left on your genitals after your cousin gives you oral sex

Man last night my cousin trina came over to my house. I just thought we were gonna hang, then a few to many beers. Damn the ho was down on me! ie. relative humidity!

by RD Machine January 10, 2007