In a game of beer pong a formation in which a single cup is in the back row, two cups in the second row and one cup in front. Sometimes this formation is incorrectly referred to as a "diamond". Prhombus is an abbreviated version of the phrase.
Yo thundercunt . . . re-rack to a power rhombus.

It's not a diamond you stupid asshole. That's a power rhombus. Don't be a douchebag.
by cher's daughter July 8, 2010
Get the Power Rhombus mug.
a different way of saying 'ROFL'

the new way ;)
'plop'

'totally rhombus'

'ROFL'
by babnanyas February 23, 2009
Get the totally rhombus mug.
A phrase commonly pulled out by the dumbest person in a 5th/6th grade math class. When the teacher asks how to find the area of a rhombus, this kid normally turns to the quietest, least-expecting kid in class, causing outrageous reaction
Mr Sanders: The height is six inches, and the length is 14 inches; find the area of this rhombus.

Joe: I'll rhombus your mombus

Derek: You already had my dad
by Alan Aldridge November 16, 2007
Get the rhombus your mombus mug.
A kite-shaped polygon. Can also be called a "kite", but that's no fun. Works nicely on geometry tests when trying to piss off the teacher.
Math Test: "Give this polygon its specific name."

Emily: "Diamond-like rhombus."
Leeta: "Diamondy rhombus."
Teacher: "Polygon. Or 'kite' if you're lazy."
by Pretty Emily November 22, 2004
Get the diamond-like rhombus mug.
A nuanced sexual maneuver which involves the fetishizing of geometry and the left elbow of the body.
"After a few hours of making out we decided to try a Tasteful Rhombus. It was wild."
by dampsocks January 28, 2018
Get the Tasteful Rhombus mug.
An asshole or someone being a total faggot.
Dude don't be such a fucking rhombus all the time.
by Rhombus Fucker February 24, 2017
Get the Rhombus mug.