a balloon you inflated with your ass using flatulence

Inhaling the gas, most commonly by discharging nitrous gas cartridges (bulbs or whippets) into another object, such as a balloon, or directly into the mouth. When nitrous oxide is inhaled, it creates an instant surge of euphoria and feeling of floating or excitement for a short period of time.

When you drop a massive gust of air from your rear end

When you fuck somebody in the ass enough that their intestines come out, in a pink sock fashion, then you tie the intestines in a knot. This is very painful.

a. a hairy vagina.
b. The passage leading from the opening of the vulva to the cervix of the uterus in girls.

A fat policeman (primarily in the UK). Usually traffic.

A Flying Balloon is when a guy's partner blows into his dick, inflating his bladder, then sits on his belly forcing the air out, making a sound like an inflated balloon being released to fly across the room. It is best to attempt this if the recipient does not have to urinate.