@Don Draper Da Graper's definitions
The action of when a well hung black male drops his flacid and elongated penis on the shoulder of an unsuspecting person.
Jamal Johnson gave little sheepish and meek blond Mindy a shoulder slumper so she could know his penis size. Mindy is a coal burner.
by Don Draper Da Graper December 19, 2009
Get the shoulder slumpermug.