Spit brother 

When two guys spit on each others hand and then give a handshake.

Samuel is my spit brother. But my hand smelled gross after doing that.

Spit brother by di36ok3w1 March 22, 2009

spit on your brother 

A day you spit on your brother 🥰 ITS ON THEIR BIRTHDAY!!

Brother: it’s my birthday!!
You: happy birthday! Hey guess what

Brother: what?

You: *spit on him*

brother: WTF

You: ITS SPIT ON YOUR BROTHER DAYY!!

spit on your brother by Stan P1Harmony ☝️😁 April 4, 2021

Spit Brothers 

- a bond made by 2 or more bros , obtained by frenching with the same girl and thus trading each other's spit

' damn u hooked up w Sarah? bro I made out w her in the 9th grade, we're spit brothers now

Spit Brothers by mushypoos May 5, 2018

Shitbrothers 

When two people have blackmail on each other.

Julian: Lahey, I know shit about you and you know shit about me. That makes us shitbrothers.

Shitbrothers by Uncle Tony P. April 7, 2009