Top definition
Posessing a large, juicy booty and other applicable curves.
Ooh, that Shakira is so rumptious. Did you see all that junk in her trunk?
by Cakehole August 16, 2005
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May 29 Word of the Day
Mercury retrograde is the act of taking a shit whilst mooning one or more human beings. Your day can typically being going well, according to your horoscope, until you are forced into witnessing Mercury retrograde. Performing Mercury retrograde will often speed the astrological cycle forward for the individual performing the Mercury retrograde, bringing about happy and fruitful times to come.
As the sun sank down over the pier, the children fishing gazed in horror as the lard-ass on his flat bottom boat sent the lakeshore into Mercury retrograde.
by BatWingg May 17, 2021
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2
A very well-toned, and shapely booty. Denotes certain deliciouness. Can refer to male or female.
"Did you see Becky leave the room? That, my friend, is a rumptious."
by Daniel & Mike February 15, 2008
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3
the act of ones ass getting big
I tried getting new pants but my ass was so rumptious that it didn't fit after a week
by vulupmtious boy 188 March 19, 2019
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5
(rUMP-shus)
When someone's backside is nice
"OMG look at her butt!"
"Yeah it's soo rumptious!!"
"Right on!"
by Right on, brah April 26, 2013
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