by Bloinker March 19, 2019
A rumper is the act of fucking the asscrack of your girlfriend and cumming on the crack without penetration into the asshole or pussyhole.
by glock17 - Rick April 02, 2006
by Babsy999 September 24, 2013
by Brian Babylon September 05, 2011
Both: Rock, Paper, Scissors!
Zack: Well, I guess you get it first.
Man: *Sigh* I lose every time.
Zack: I guess I'm Rainbow Rumper again.
Zack: Well, I guess you get it first.
Man: *Sigh* I lose every time.
Zack: I guess I'm Rainbow Rumper again.
by Lolocausts December 21, 2010
by mregina February 18, 2009
Taking a shit in the toilet system then flushing it causeing the water to come out brown. and that is a rumper dumper
by Alex Moretti February 22, 2009