noun - the effect a hard-on has in loose pants; A tent shaped protrusion held up by one's member. These usually occur at the most inappropriate times possible
I can't believe i pitched a crotch tent during his mom's funeral!" "Yeah dude, that's why i always wear a cup when i'm in slacks
Boner, Erect Penis, Hard On.
This stripper was so freakin hot I pitched a crotch tent.