1. unable to die
2. a great metalcore band from raleigh, nc. their new singer is female but can scream like the rest of the boys.
1. "omg this fucking zombie is undying!"
"duh shoot it in the head"
2.undying rules. buy all 3 of their cds
by monotone November 18, 2004
Underpants (usually of a female). Originally an Australian slang term, Americans are finally picking it up due to the word ‘panties’ being creepy AF.
“My undies are riding up my bum.”
by HeeGee January 15, 2021
The undercover law enforcement
Guy 1: who's that creeping
Guy 2: its the undies bro hide the loud
by Youngtadoe May 30, 2016
When you soak a pair of underwear in beer and wring it out into your mouth.
Tyler did an undie on stream.
by shayraypal July 14, 2019
A piece of underwear, though usually used in plural.
Oh dear, I don't appear to be wearing any undies.
by GDisCorrupt September 5, 2007
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