Gas Enema 

The process of filling up your gas tank when the price per gallon is above $3 per gallon. At that price, you may as well take the nozzle and stick it up your ass.

I couldn't even sit in my car after the gas enema I got at the gas station. F*&king oil companies!

Gas Enema by TJinDenver October 23, 2008

Gas Station Enema 

Noun.) Priming a butthole for penetration by spirting in it and sucking the spit out.

"How was your date with Bri?"
"It was great! She gave me a Gas Station Enema and swallowed it!"

Gas Station Enema by Tman6monkey December 21, 2019