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To take a dump in a bathroom without opening windows, turning on the ventilation fan, or providing any other way to let the smell out. Makes the entire immediate area smell like crap. Works very effectively in dormitory suites.

Derived from "hotbox."
One of those new guys crapboxed the suite again!
by mamarley February 07, 2011
particularly uninteresting, perhaps even ugly car.
"Okay, let me show you how to drive this crap box." -Bart Simpson, "The Simpsons Game"
by This hour has 42 minutes June 20, 2009