Umska

Indistinguishable and offensive particles of dirt

When I went down on her I discovered her flange had umska on it.

by Marco Polo February 11, 2004

UMSL

The University of Missouri-St. Louis. ("uhm-zul")

A four-year university on the outskirts of St. Louis, Missouri. (It's really in *Normandy* - a town in St. Louis County)

"UMSL's parking is soooo expensive!!!"

"I transferred to UMSL from community college."

"I dropped out of UMSL because I only went to class when there was an exam."

by scoobydoo347 September 16, 2008

Umstead

People who exist to get high and/or drunk to the degree that they appear to be mentally retarded.

Dude, I know you think that kid is "special", but he is actually just an Umstead.

by Vlad the Definer December 19, 2011

Umsum

Visual stimulus used by the Poison Control Agency to induce vomiting.

Umsum face drunk

by PCA Executive April 28, 2009

umshutup

a one-word command to everybody in a small to moderately large vicinity ordering them to silence themselves immediately.

really loud girl #1: like, there was this totally cute guy i saw today
really loud girl #2: like, totally!!!
annoyed person: umshutup!!

by PATCHY!!! March 4, 2010

Umster

Someone who constantly and uncontrollably says the word um.

Alex (umster): Hey yo um I was um wondering if um I could um play with um you guys?

Kyle: No way, we don't play with umsters.

by lol6445 September 3, 2010

UMSL

IKEA-designed stepstool used in the Anheuser-Busch Hall College of Business administration to allow students to reach the drinking fountains where Budweiser flows like water.

That petite TriDelt always has to use the UMSL when she wants to get a buzz on after her Business Stat class.

by Lesleyschmesley November 2, 2017