by GeoM March 10, 2008
When a man wearing spandex riding a bicycle's penis and testicles are jammed so tightly together it looks like a lump.
"Bro, did you see the manjam on that guy?"
"Yeah, it looked like a camel toe and a moose knuckle tied into one!"
"Yeah, it looked like a camel toe and a moose knuckle tied into one!"
by Sage Von Deth September 21, 2011
Seamen suddenly ejaculated from a male's penis with enough momentum to cause damage to the individual or object of destination.
Susan took a slinging manjam to the face yesterday and the doctor said that she wont be able to see from her right eye again.
by pd1244 September 15, 2009