uggh
exclamation expressing pain, frustration or annoyance
ugh
ugh /_g/ ExclamationUsed to express disgust or horror: “UghÑwhat’s this disgusting object?”.
uh-huh
interjection used to indicate affirmation, agreement, or gratification, also: huh
uh-oh
interjection used to indicate dismay or concern
umpa
the sound produced by a large brass instrument. see also: Oompah
untz untz untz
The sound of rave music or the sound a raver makes while raving, the sound of a techno groove