To fart during anal sex.
Farting whilst engaging in anal sex. To blow gas past penis whilst engaging in anal sex, backdrafting the gas
by ottafish June 07, 2010
When you fart but you are unsure if it stinks or not, so you back up several feet to determine it's level of toxicity .
Richard was unsure as to how bad his fart was, so he began backdrafting into it. Turns out it was one of those farts that could eat the stitching out of Levi's.
by Stan Mars June 28, 2016