When you soak a pair of underwear in beer and wring it out into your mouth.

A piece of underwear, though usually used in plural.

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.

In Great Britain and Ireland, an abbreviation of "underwear"

cute way of saying underwear.

basically it means "underground indie" (underground + diminutive of independent).

An abbreviation for underground hip-hop. Originally conceived as a soundalike alternative to "indie," which signifies fey boys with jangly guitars.