Maturest 

Most mature person around.

"That girl is the maturest girl I ever did lay on."

Maturest by Ballzy10 February 9, 2010

matures 

Elder people.

Function: noun (collective)

1. Elder people as described by pornographers or pornographic distributors. In the porno world, an elder person is likely > 28 years old. See also MILF.

Watch these amateur matures having an orgy!

matures by GeneralName October 30, 2006

Maturist 

To show maturity.

SaltCreekRat isn't the "maturist" outwar player in the game.

Maturist by 4U2NV June 20, 2003