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- 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
by mushypoos May 05, 2018
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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.
by di36ok3w1 November 06, 2008
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