Top definition
"Truth key" is to be used when a person(s) is believed to be lying. If the person lies on a truth key - the penalty is harsh as they are sure to get AIDS. No one want's AIDS, so no one lies.
"Mate, I slept with that blonde behind the bar" - Person A

"Truth key" - Person B

"No, I didn't" - Person A
by JimmyBlueCFC502 January 11, 2012
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