Butt Rubble
The detritus of toilet paper left on the bathroom floor (or in one's clothes) after using the bathroom.
The floor of their bathroom was covered in little pieces of butt rubble and hadn't been cleaned in ages.
Butt rubble
A pile of shit.
"Thats a big pile of stinking butt rubble"
Rubbly Bubbly Butt Sex
The opening of a champagne bottle in one's ass for pleasure and enjoyment. First practiced by the Aztecs as a sign of gratitude for ones company.
Hello there, would you like to engage in Rubbly Bubbly Butt Sex later on?
Rubble Butt
An unsavory looking bubble butt riddled with cellulite and having the appearance of bag of rubbles/rocks..
Ratchet....Don't act like you're all that wearing spandex with that ras ragged rubble butt