A troll who thinks he's actually good at something he's not, most likely a video game, but can refer to anything.
This guy is horrible with Pikachu, he's such a Mustard Sock.
Good thing this Mustard Sock has no idea how to play LeBlanc, that hero is imba.
Good thing this Mustard Sock has no idea how to play LeBlanc, that hero is imba.
by KingRolo November 5, 2010

Saying that a slut is covered in mustard. Sayin this as an insult to a hoe.
Also meaning a slut with yellow teeth from giving head.
Also meaning a slut with yellow teeth from giving head.
Like saying,boy 1- "Wow, did you see that girl Jamie? She is a real SLUT MUSTARD."
boy 2-"Yeah I did, guessing she doesn't brush after head."
boy 1-"That's Sick!"
boy 2-"Yeah I did, guessing she doesn't brush after head."
boy 1-"That's Sick!"
by talking pine cone2 July 8, 2009

I had to piss so bad but Lauren wouldn't stop with the head! so when i came all over her face it was mustard nut.
by Chuck Bucket March 1, 2005

All over gang member 1: "Halo?"
All over gang members 2+3: "Halo!"
All over gang member 4: "I'm as keen as cheese and mustard to play Halo"
All over gang member 1: "Then let's play"
All over gang members 2+3: "Halo!"
All over gang member 4: "I'm as keen as cheese and mustard to play Halo"
All over gang member 1: "Then let's play"
by Captain Rough Around The Edges October 25, 2006

by Hurricanesteve May 7, 2018

Got my truck stuck in the mud today... had to put some mustard on it to get out. Had to give it the ol razzle dazzle.
by EL Weldero March 31, 2020

when you over rotate while snowboarding: “too much mustard”
when you put too much juice in the cup: “too much mustard”
when you put too much juice in the cup: “too much mustard”
by cornonthecob April 28, 2021
