Denver boot
Colloquial term for a wheel clamp. Denver was the first place they were used.
My car has four wheels each complete with its own Denver boot. I'm not going anywhere!
Denver Boot
(noun) a sexual move. While having anal sex in the doggy-position, the man falls asleep while still inserted, rendering the bottom partner immobilized.
I got so drunk last night that I ended up giving my girlfriend the Denver Boot.
Denver Boot
Having a sore anus after a particularly rough pounding from one's oiled-up gym buddy at the sauna.
"Aw, I'd love to go rollerblading, Steve, but I've got a real Denver Boot today, and I can barely walk as it is."