meltenstein 

When a guy is always around his girlfriend all of the time, we refer to him as meltenstein.

GOD YOU'RE SUCH A MELTENSTEIN

meltenstein by buttmonkeycockell July 29, 2011

methenstein 

a monster meth user who hasn't had their fix in a few days

Kenrod is a true methenstein after a few days of not having any meth

methenstein by Spinboo August 22, 2006

milfenstein

Fit mum that was created by an evil scientist and came 2 life with 2 dildos through neck. She is the Queen of all milfs and has DD breasts. Wot a milf.

FRANNYS MUM! (usually taken up the bum, often harm done)

milfenstein by Jamie H January 12, 2005

milfenstein

Fit mum that was created by an evil scientist and came 2 life with 2 dildos through neck

Joe or michaels mum

milfenstein by Jamie H June 11, 2003