backfired

Verb; An attempt to fix something in which the fixing actually makes the situation worse for you. Common on the internet when an arguement "backfires" and makes you look stupid.

to bring a result opposite to that which was planned or expected.

when a guy is at dinner and gets up to say goodbye, he stands up and reaches over the table to hug someone, and he inadvertently places his cannon within one inch of someone (who is still sitting down) at the table's face. the backfire-ee, if you will, then sharply turns their head not knowing their is a cannon pointed right at their face, and then proceeds to make full blown facial contact with the shaft and the ballbag of the backfire-er

The moment where, when you're taking a shit, a large pocket of gas (referred to as a future-fart) that was resting mid-shit or between two shits escapes as you're passing your lovelog, resulting in a sudden violent fart than not only propels your previously freefalling turd at Mach 2 speeds, but also results in a pleasing shotgun blast of turdlings across the toilet bowl.

A backfire is so named for it's similarity to a car backfiring.

The sound your vehicle makes when you drive a Ford

When you're about to fart, and something extra (and usually liquid) explodes out of the ass.

When a man is receiving a blowjob and upon finishing inside the mouth of the giver, the contents are spat back in his direction.