Traditional; typically used in the context of clothing, grooming, and other aspects of one's personal presentation. An item is "trad" if it either (a) was manufactured during the relevant time period, usually the 1930s through 1950s, or (b) is a modern item with design aspects inherited from or complementary with that time period.

Man's greatest invention, brain bleach removes bad memories and general DO NOT WANT moments. Every household should have a few gallons.

Adjective used by rock climbers to describe a technique of self-protection or a particular climb which does not involve the use of bolts.

trad is short for traditional, a way of saying somthing is particularly cool or hip. similar to rad.

A skinhead who is not racist, nor vehemently anti-racist (sharp), but is apolitical and interested only in "traditional" skinhead music and culture.

Something being of traditional Irish origin.

An acronym for totally rockin' awesome dude. Also related to rad.