by Clarice54354 October 13, 2008
by BlitheNIne December 29, 2015
When an individual licks the tip of their two fingers, straightens their mustache with said fingers and proceeds to insert these fingers inside of a vagina while licking the clitoris.
by metalive69 August 30, 2015
Put your index finger sideways under someones nose and say "mustache finger?" if you succeed and get them you will win bro points... if they somehow avoid your attempt they get bro points.
by Slang Master Zen November 18, 2014