to be a backstaber, to have unprotected sex, to suck the male sperms cells form the anus or their mother's vagina, to do something and blame it on someone else, to have sex with a teacher or professor, to suck dick longer then 13 inches
charles went and rumseyed with his mom last night
by charles haden william November 02, 2010
1 more definition
Absolute Badass, The root of all that is good and awesome, Nickname for actual Men, Descriptive word for anything that is above average or anything truly awesome. Similar to using "tits" or "money" to describe something. Something truley glorious or amazing
That guy is a Rumsey among men. Man this awesome pizza is straight up Rumsey. I'm gonna have to Rumsey this place up.
by rumdizzle February 15, 2010