Noun. A bottom that is clearly disproportional to the rest of the person's torso and legs. However it only refers to bottoms that are greater in size and not smaller. If the person fell down on their bottom then the large bottom would provide more than enough padding to prevent serious injury. The term "boom boom" originates from the phrase "baby went boom boom on their bottom."
When getting ready to perform anal sex on your partner, you insert a "Tampax Pearl" partly into your partners ass. You then insert the rest of the "Tampax Pearl" into their ass using your stiffened member, and await the "cumming" of the pearl.
"Dude, last night I gave my girl a Southern Georgia Clam Bottom using her last Tampax Pearl, she was so pissed!"
Adj. To be used to define the reason for a positive outcome. Derived from the musical notion that the foundation of most traditional bands refer to the bass line as the bottom.
The bass bottomreason I was offered the job was that my interview went great.
A person with a very flat rear end, usually resembling two large flat pancakes. Usually this person is rather thin and slender, and could be otherwise attractive. Its simply the lack of a behind