(origin: SC, from the SC Album by Da Meng)
Defined as the humping of one man by another in which the latter uses a running start to attack his unsuspecting victim.
Process:
1: "Hey man, meng meng meng meng meng" (meng=men)
2: "meng meng meng meng meng meng"
*running*
1: *high voice* "OOOOOOOWWWWWWW IT BURNS"

or

I Carolian manslamed him in the hall!
by SCguy November 19, 2005
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