masterbrown 

Masturbating while taking a crap

(is possible for women as well as men)

Guy1: Dude why were you in the bathroom for so long?
Guy2: I just masterbrowned.

Guy1: What is that?
Guy2: It's when you're masturbating...And you take a crap at the same time...

masterbrown by trooperm&m&m April 21, 2011

Mastergrower 

A vanity term generally used by less than
qualified gardeners to enhance the
perception of their cultivation experience.

"Hey you should let me see your garden, I could give you some great advice. As I am a (mastergrower) "

Mastergrower by 1Rudeboysteven1 April 20, 2019

masterbrain 

a talented person who make a plan for an undertaking, project or mission.

Who is the masterbrain behind this horrendous bombing?

masterbrain by uttam maharjan July 19, 2010