Top Definition
The act of anally fisting someone up to the elbow, in most cases without lube.
John was a shitty boss, who in his spare time tried to tilver every person working under him. What a prick.
by I hate my job August 04, 2007
(Word created for the sole reason to rhyme with silver)
Tilver is the substance remaining in a plastic bottle after drinking. Whenever one drinks from a bottle there are always those few drops that are stuck to the walls, and those unobtainable drops are tilver.
Hey, you know what I hate?

No, what?

That you buy a pop but you never get all of it out of the bottle.

Yea dude, the tilver is kind of heartbreaking.
by Philup Moneybag January 20, 2008
cool, awesome, funny
"Did you get those tilver concert tickets?"
"Did you see the tilver episode of Pale Force?"
"Jim Gaffigan is tilver."
by Abby "James Bond" December 09, 2006

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