"That guy deserves a log jammin' sesion for being such an ass at my wedding last Saturday"
"Ooooohhh, my woman just gave me a log jammin!"
"Ooooohhh, my woman just gave me a log jammin!"
by schwany August 28, 2006
the process in which a male jamz his log, also known as a really hard boner into a cavity in which it is not well suited. such as a super duper tight anus hole.
by webster-d December 25, 2008