Someone who does karaoke.

foreplay.

A place where you go when you can't sing woth a shit.

in the act of singing karaoke
also could be "karaokeing", or "karaokiing"

Singing without a live orchestra or band. Originally meaning "without orchestra," it is a combination of Japanese "kara" meaning "empty/bare-handed" as in "karate", and the "okee" sound from the first syllable of "orchestra" as pronounced by Japanese.

Something you may find yourself doing when you want to be embarrassing

A kind of backwards talent contest where the aim is to sing to sing other peoples songs as badly as possible.
The true losers in karaoke are the people who try hardest.