Top Definition
The clicking of one's tongue to show attitude. Used in texts or online.
Jack:Your being full of shit!

Roxy:Mxm whatever!
by DJ SLENDA March 18, 2010
Pressing your tongue against your teeth while sucking air inside your mouth to make a high pitch suction sound to express apathy towards a person or thing. This is sometimes accompanied by a dismissive flick of the hand.
Tebogo : Bruh there goes your ex-girlfriend with that new fuck-boy she's dating.

Tshepo: Mxm! Fuck that bitch.
by JoystickUp-Kid March 17, 2016
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