1. Someone you are having casual sex with, a "fuckbuddy" or "bedbuddy".

2. Someone you are cheating on your S.O. with.

3. Someone you shouldn't be hanging around with.
Mom: "And who is this?"

Jill: "Mom? Oh, uh....this is my umm...friend Joey.
by Seacoaster December 29, 2005
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When a friend or co-worker is stalling for thought during conversation with "but ummmmm", it is completed by the other person with "tsssss"

First used by Joey and Ana at St. Peter
but umm .... tssss

Co-worker 1: I went to Miami last week and had a great time, but umm ....

Co-worker 2: tssssssss
by joey88 January 12, 2017
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word mean ok or alright

Word that is often used by middle age to old men mainly bankers usually meanin OK
Customer: hello i would like to make a cash deposit
banker: umm kaay how much were u lookin to deposit
customer: about 700
banker: umm kaay just need u to fill out this slip umm kaay
by ttflavors July 22, 2008
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a female whose has the meat or clit of her vagina sticking out further than the buns or more commonly know the lips
Did you see that chick at the pool? She was an umm bugga!
by sj3an April 24, 2010
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What you say when a person says something incredibly lame or stupid.
Guy A:"Yo whassup my peeps?"

Guy B: "umm... boo?"
by capecoddude April 16, 2009
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Origin :Arabic .

Kalthoom means beautiful full cheeks, and silky hair.

It also means an intelligent person.
However, this is a girl who enters a room and instantly sucks the mood right out. She has the ability to make everyone want to end their lives as soon as she enters their line of sight. be wary of anyone named Umm Kalthoom.
Person 1: Umm Kalthoom is that girl with the rosy cheeks right?

Person 2: Yeah , thats her
OR

Ugh brb Umm Kalthoom just walked in I'm going to go jump off the balcony
by wtvwtvwtv July 11, 2015
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