Someone who makes insulting comments about someone behind their back.

Also, That shit I don't like.
A sneak disser: that's that shit I don't like.

Person 1: I saw that bitch Adam wearing some fake nikes. That broke chief keef lookin ass.
Person 2: I bet you wont say it to his face though. You're such a sneak disser.
by SameCupDrink3 October 1, 2012
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1. Someone who talks shit behind someone else's back.
2. A person so stealthy and cunning that all others admire and wish to be them.
That girl Georgia is such a sneak disser. Man I wish I was her friend.
by HarBeartheSeventh January 2, 2013
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