placing a line of cocaine on an erect penis and then snorting it off.
Dude, so that chick last night totally took a massive blow log off me.
by jaha March 30, 2005
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the nasty farts you rip when you've gotta take a dump. smells worse because the fart is passing over the turd lodged in your ass. also known as an "omen fart."
i knew we'd have to pull off at the next rest stop, because shauna had been blowing off a log for the last five miles and i had to roll down the window.
by gulliblezine February 5, 2009
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