maghanap ng salita, tulad ng cunt:
 
1.
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: <mumble> fill er up
ayon kay Pottsy2 ika-05 ng Setyembre, 2008
 
2.
Another way of telling the gas station pumper to eat a fat one.
Gas Station Pumper: Ay, buddy, what you like?
Driver: Stuff it up your turban, bitch!
Gas Station Pumper: Huh? I can't hear you.
Driver: I said, "Filler up!!"
ayon kay the Little Kid ika-05 ng Hunyo, 2006
 
3.
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.
ayon kay manbeef ika-08 ng Nobyembre, 2004
 
4.
When having analingus with a lover... Urinate inside her...
Yeah so I totally pulled the Fill 'er Up on my lady friend.
ayon kay Nilam Nad ika-20 ng Hunyo, 2006