Top definition
The act of inserting ones flaccid penis into an orifice.
The other night at the party Tim perfectialed it up with Lisa.
by this_is_sparta March 10, 2016
Get the mug
Get a perfectial mug for your cousin Manley.
Jul 29 Word of the Day
Someone who used to be a potential girlfriend/boyfriend, but no longer is.
Tim: Zack, is that your exgirlfriend?
Zack: No, she's an expotential. We never actually dated...
by brownsuite September 24, 2011
Get the merch
Get the expotential neck gaiter and mug.