A lap dance from what you suspect to be a pre-op transexual.
Indicators of a trapdance might include failure to remove undergarments, obviously fake breasts, excessive hair, deep voice, or manhands.
Person 1:
"Hey man I think I just got a trapdance. She was grinding on me, but I saw her biceps bulging with delight under her thick arm hair. Then she went to whisper in my ear, and our adam's apples bumped."
Being in a situation where you can't get to the radio when a Nickelback song comes on, thus having to suffer through the duration of the song.
Dude, I turned the radio up as I got in the shower because they were playing Bowie, but they played Nickelback next and I was all suds'd up. I got Nickelback Trapped. I hate that!
Those who deliberately target and entrap a sporting star, VIP, or celebrity in order to photograph or otherwise portray them in a seemingly compromising situation.
The Australian all-rounder recently told the Herald of a "traperazzi" scheme during the 2007 World Cup in the Caribbean, in which one member of the public slapped him across the face while another stood nearby photographing the incident.