To completely fail (brick) at something considered to be a basic skill - usually involving socializing of some sort.
I had an opportunity to score with two hot chicks tonight until I completely MNS'd it and wound up in the friend zone.
by Brandon "Sloe Vag" Geist May 8, 2008
Get the MNSmug. by FilthyJoe August 30, 2018
Get the MNSmug. Streamer: You guys like the stream?
Viewer1: Of course mn!!!
Viewer2: What does mn mean???
Viewer1: My *****!
Viewer1: Of course mn!!!
Viewer2: What does mn mean???
Viewer1: My *****!
by PYREX THE GOD July 11, 2021
Get the mnmug. by vasst July 11, 2011
Get the MNmug. Bob: I could probably eat 7 eggos right now.
Hoff: dude, ‘mn.
Bob: ‘mn
Hoff: mn
Bob: yeah im imagining it rn
Hoff: imagine
Hoff: dude, ‘mn.
Bob: ‘mn
Hoff: mn
Bob: yeah im imagining it rn
Hoff: imagine
by Workatrollics November 19, 2019
Get the mnmug. by simply m December 14, 2008
Get the mnmug. by Thewheels January 19, 2019
Get the MNSmug.