rilbert 

the shape of the graph x^3

Student: Is that a parabola?
Other student: Naw bro, it's a rilbert.

rilbert by kristencroissant December 13, 2009

Rigbert 

A large, blubbering fat man child.

Look at your man boobs Rigbert

Rigbert by anonymous2012bahrain September 22, 2013

Ribbert 

v. 1.to score a thousand points, pull down a million rebounds, and dish out a kajillion assists on a nightly basis

2. to do as Rajon Rondo and Roy Hibbert do

3. to dominate your fantasy basketball league

n. what a basketball frog says after crossing you over

By the end of the third quarter, he'd already Ribberted.

Ribbert by Utah Spazz October 30, 2010

Rolbert 

Best friend you'll ever need. Compassionate, kind but don't push his buttons or else you'll find that below that kindness lies a dragon ready to burn down everything around it.

I'd prefer have Rolbert as a friend than Mark.

Where's my Rolbert when I need him?

Rolbert by Pumpumkilla01 November 25, 2021

mw ripbert 

MW means "mother fucking weight" MW ripbert means someone who fucks his mom all night and day so she would lose weight, but ripbert means when he is done fucking her, he will go out in public and tell everyone he fucked his mom, and than he will kill himself By jumping off a building

he fucked his mom all night and day and told everyone, than killed himself, he is a MW ripbert

mw ripbert by Nova 2 ponpeyin November 8, 2017