What is Jim Jam?
1.
Code-word euphemism for semen. Combination of "jim" (black slang for "penis") and jam (obvious implication). Often used in polite conversation to add a subtle, humorous sexual reference to a sexual act.
"Frank might be a bit late for dinner. He had to change his pants since he spilled some jim jam on them."
2.
marijuana. ; also see "james".
"yo mj. call up charles and see if we can get some jim jam."
See