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1. Adjective

Describing someone as "Muscular" or "More Muscular" quickly and under your breath. (Usually to a nearby confidante)
Pssss.. Psssst... look grrrl he mustler than Taylor Lautner!
mustler by GymRoomPeeper July 30, 2011
Related Words
A new way to identify Elon Musk and/or his followers
Did you see John's post? He's such a Mustler
Mustler by Idk135798 February 16, 2025
The person, space, or entity that centralizes all indispensable items, things, or even news. Derived from Must-Have.
If you don't know what items you will need after you have a baby, there are specific mustlers for this, usually an old babysitter or baby nurse ladies.

If you don't want to read that Harry Potter book sequence, ask John, he is a Harry Potter Mustler.

Google News is the Mustler of digital news. All the trending topics are there!
Mustler by John Trolho, Mr. March 28, 2025
To place your penis into the hand of an unsuspecting person. Most commonly acted between two heterosexual males.
When we were laying around in the TV room, Andy gave Tim the old Mussler. It was hysterical... but fucking gay as shit.
Mussler by trop142 November 28, 2010

musterbate

To sit idly and think.
"That is a lot of money. I will have to musterbate for a while before I make a descision."
musterbate by Shake Zula May 10, 2005

Muster Cluster 

When multiple dicks are being penatrated in a single womans vagina.
Bro! We had a muster cluster with Kate last night!
Muster Cluster by Mr. Jones21 January 23, 2011
More from Urban Dictionary
anyone who succeeds in disgracing/over indulging themselves in the throws of clubland
28 hours and 4 clubs later, gurning for england but still refusing to go home - a total wrongun!!
wrongun by bevvers March 21, 2007
Word of the Day on October 8, 2026

square grouper

Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."
square grouper by slipsheet November 6, 2004
Word of the Day on October 7, 2026
A girl who does ballet and only talks about ballet. Her schedule is filled with dance classes which does not allow her to do any other activity.
"Hey, do you know that girl Sally?"

"Yeah, she's kind of annoying. All she ever talks about it ballet."

"Wow, what a Bunhead."

"Hey Sally, you want to hang out this weekend?"
"I can't, I have dance."
"You're such a Bunhead."

"Yeah... I know."
Bunhead by Jen00 October 24, 2014
Word of the Day on October 6, 2026
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