betweenis

The distance between two cocks during dual penetration sex. Measured in millimeters.

Hey Earl, thanks for fucking my wife with me last night.... I bet there was only 5mm Betweenis.....

by MotoRooster September 28, 2007

Betweenial

Someone who is born between Gen X and Millennials and often identifies with both or neither generation. Loosely defined as those born between 1978 and 1982.

I was born in 1980 and I identify more as a Betweenial.

by Bz3rk March 22, 2016

Betweenies

A thong like bikini where most of the material is "IN BETWEEN" parts of the body.

When I go to visit my friend in California this summer, he promises to take me to the beach to check out all the BETWEENIES!

by West Wind Dancer March 1, 2010

in betweeny

The area between the ball sack and the arsehole.

"What with this hot weather we've been having, my in betweeny gets terrible sweaty, but it really isn't on to do so in public, so one must simply suffer on..."

by Chimpitic June 4, 2006

Betweenis

The choice at the end of the night between which weenis to use for a booty call.

Chessa was torn betweenis for JG or AP.

by Maxurethra March 25, 2010

In-betweenie

Somebody who is half black, and and half white.

1st guy: hey did you hear that Bob is an in-betweenie?
2nd guy: WHAT!?!?! im soooo going to be half racist to him.
1st guy: aren't you an in-betweenie?
2nd guy: maybe... *cries*

by the king of egypt December 7, 2010

Betweenie

A bikini waxing service that removes most, but not all, of the down there hair

I am going to the spa to get my betweenie. See you at the beach tomorrow

by Katey456 December 29, 2010