Top Definition
Noun. The potent, and usually putrid, crotch odor that develops after about four days of sustained, strenuous activity without benefit of a bath; the malodorous mixture of testicle and ass sweat. Often associated with multi-day backpacking, biking or climbing trips.
I didn't realize I had mountain junk until I changed my underwear this morning.
by jrw April 28, 2005

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.