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2.
In Great Britain and Ireland, an abbreviation of "underwear"
Christ on a bike I've soiled me undies
by garybaldy September 06, 2007
 
1.
A piece of underwear, though usually used in plural.
Oh dear, I don't appear to be wearing any undies.
by GDisCorrupt September 05, 2007
 
3.
cute way of saying underwear.
My undies are all bunched up.
by Bob264 September 12, 2007
 
4.
an under cover cop, specifically one walking around a concert parking lot or music festival. These slimy subhuman lifeforms are usually sent out to chase drugs, and make unfair arreests.
I cant work here, this place is crawling with undies
by porkchop1217 January 28, 2008
 
5.
People from Australia - from the land down under.
“Yeah he's an undie, you can tell by the Crocodile Dundee accent.”
by Strephon September 04, 2007
 
6.
basically it means "underground indie" (underground + diminutive of independent).
to designate a band which works under the "diy" (do it yourself) theory.
by useless information :-) April 29, 2003
 
7.
An abbreviation for underground hip-hop. Originally conceived as a soundalike alternative to "indie," which signifies fey boys with jangly guitars.
Undie is the straight shit, brah. The radio is wack.
by Tommy Wommy Womsters April 10, 2005