Slang

Meaning

Ugg boots

Australian sheepskin boots worn by surfers since at least the 1960s to keep warm while out of the water. Also worn by airmen during WW1 and WW2 because of the need to maintain warmth in non-pressurized planes at high altitudes.

Ugh

ugly

Uni

university

Up oneself

have a high opinion of oneself - "he's really up himself"

Up somebody, get

to rebuke somebody - "the boss got up me for being late"

Ute

utility vehicle, pickup truck