Define Fill 'er Up Meaning

Fill Er Up
The term used to tell someone that they should deposit some more petrol in the tank of thier car if you are drugged to the eyballs

Person 1 says: Hey your tank is empty, maybe you should fill er up

Person 2 hears: fill er up
By Andi
Fill-er-up
When a man puts his penis into a girls anus and urinates.

She was running a little low, so I had to fill-er-up.
By Robin
Fill 'er Up
When having analingus with a lover... Urinate inside her...

Yeah so I totally pulled the Fill 'er Up on my lady friend.
By Carla