Define Fill Tank Meaning

When you nut inside your partner without a dome.

To shit in the back tank of a toilet, after removing the cover. This is best done in a public bathroom, as the turd(s) will not likely be found for several weeks, despite the pure, rancid stank it will emit. Due to the general orientation of the toilet tank and the wall, this can be a difficult task, and any successful attempt should be properly commended.

The act of expelling urine into a woman's asshole. Often brought about when asking "May I pee in your butt?".

when you blow a load in a girls mouth, much like filling the gas tank on your car.

To shit in the back tank of the toilet after removing the cover. This is best done in a public bathroom as it may not be discovered for weeks, despite the pure, rancid stank it will emit. Due to the orientation of the toilet to the wall, this task is often difficult, and any successful attempt should be properly commended.

Peeing in a girls butt during anal.

Filling the gas tank is when you stick your dick into someone's ass (male or female) and proceed to piss.

To urinate in a sexual partner's anus.

To pregame or drink before you begin your night out on the town. To consume alcoholic drinks at one's home, perhaps due to: a rough economy with hard times, being an underage child without a fake ID, or in most cases, insurance for good times.

The art of having anal sex with a female, and while she isn’t looking you pee in her butthole to save you a trip to the bathroom.