When a male puts jelly on his penis and a female licks it off.
"Dude, she gave me a blam-jam last night."
by Fuck Me Funny September 20, 2011
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Slang for postural hypotension, the sensation of feeling dizzy or lightheaded after standing up too fast.
"I'll be there in a minute I just had a major Blam Jam."
by Blague Czar November 21, 2021
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When a male puts jelly on his penis and someone else licks it off.
"Dude wheres all the jelly at?"

"Oh, Jimmy used it when he got a blam-jam from Jenny"

"Awesome!"
by Blamjam not Hamjam October 3, 2011
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