Butt Brother
Gay buddy that meets you on occation to "fuck" and also happens to be your best friend. (man on man only)
Hey did you know that steve, joes best friend is a "Butt Brother" and they fuck on occation. (
Butt Brother
The connection two men gain after they share a common toilet seat. Similar to Blood brothers, but hopefully, no blood is involved.
After Jason took a dump in our shared bathroom at work we became "Butt Brothers."
Butt brothers
A butt brother is when you go to the bathroom or to your next hour and the seat is still warm.
Timmy: aww man my cheeks are warm. My butt brothers was here
Randy: damn mine too
Randy: damn mine too
butt brothers
Two black males who also happen to be butt buddies, or gay sex partners.
Bro, Kobe is definitely butt brothers with that ref.