1 definition by Straight fax 01

Koos

When 3 men participate in a sexual act where both partners 69 and one is shitting while the other is pissing in their partners mouths. A third participant is urinating on both koosers.

Me Andrew and Coop did Koos last night. I’m so gay and it was stinky.

by Straight fax 01 December 24, 2022