Male genitalia hanging out after a hot shower.

Origins: air-drying of the balls and shaft make your junk cold, but they are hanging low because of the hot shower you just took.
Bro #1: "Bro, wrap your towel better. I can see your junk, dude."
Bro #2: "Quit looking at my frosty hang-lo, fag."
by Fun Jonny May 12, 2009
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