rumbass 

A dumbass. But a rumbass.

Sarah is a rumbass.

rumbass by kfnceifone May 22, 2021

Rumrass 

A person displaying extreme acts of idiocy. This person is the DUMBEST of the dumb.

Rumrass, a person who is most likely mentally challenged.

John: "I lost my phone!"
Joshua: "Where did you leave it?"
John: "I think I left it at school."
Joshua: "Your such a rumass!"

Rumrass by TheAbominable October 24, 2016

Rumpass

non-mexican word for sex

hola seniorita, want to join me for some rumpass?

Rumpass by THEBETTERTWIN May 12, 2011

rumass 

When you drink too much fucking rum and you shit rum profusely

Last night I went too hard at the party and got rumass

rumass by Mcjimmybob October 13, 2021

rumbastic 

rum-bast-ick, (adj,adv,vrb) a term used to describe great disgust, while at the same time can be used as a expression of great levels of joy. coined by the great comic artist Kendirck H. Williams by his charecter A.S.H.

she showed great rumbast when walking through the garbage dump.

"You look quite rumbastic considering you were just watching a sad movie.

rumbastic by Kendrick H. Williams May 19, 2022