High school underclassmen (especially freshmen and sophomores).
I got shoved by an undie in the hallway today so I schooled 'im!

The undies in my photography class thought I was a freshman -_-
by Ello the band geek December 18, 2009
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1. An awesome game that nobody bought so the cancelled all sequels.
2. An undying spirit, See undead
"WHY THE FUCK DIDN'T YOU PEOPLE BUY THE DAMN GAME??????!!!"

Bastards.
by A_Llama March 4, 2004
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undies = not only underwear, but slips you wear under specifically under bridesmaid dresses
wow, thanks sarah for giving me the advice on the undies for the bridesmaid dresses. your a lifesaver.
by dersamuelmoore December 25, 2009
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she sucked my undy till i cummed in her mouth
by Varghese October 10, 2007
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Unresolved Daddy Issues. When a female has received inadequate or inappropriate attention from the father-figure in her life leading her to seek male approval elsewhere through sex or a romantic relationship, usually from an older man.

That chick has some whack undies, her father really messed her head up.

(I'm not sure why this was rejected the first time, it seems to fit all the editing criteria, please reconsider).
by jpc1 April 22, 2009
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Undercover cops usually in white cars looking for illegal activity.
Yooo, are those undies?...probably lets dip.
by MaxCorp May 23, 2006
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Short for "Undesirables". These are people whom you do NOT want to see at a bar/club.
Girl you need to make sure you leave your dirty undies at home!
by dpero March 6, 2008
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