look up any word, like kappa:
 
1.
The undergarments warn by both males and females.
I want you to do something for me..take of your undies and send them to me by express mail so I can get a sniff of what you smell like.
by basketcase_101 June 14, 2003
 
2.
in deaf culture, the word "understand" is shortened for quick communication.
What do you mean? I don't undy.
by "Norma Rae" July 26, 2009
 
3.
oh undies if they get too dirty flip them inside out and they are good for another week!!!
dudei've worn my undies for two weeks straight ithink i better change them!!
by jojo g. October 08, 2006
 
4.
underwear, especially women's underware
Her undies were clearly stained.
by Light Joker July 24, 2005
 
5.
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
 
6.
Cock(colloqial word in malayalam)
she sucked my undy till i cummed in her mouth
by Varghese October 09, 2007
 
7.
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