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 05, 2009
9 Words related to blowing off a log

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