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3. Brontosaurus
Some shit that doesn't exist because Apatosaurus killed it in its sleep.
Boobs? Ha, those are Brontosauruses, bra stuffer!
1. brontosaurus
A term used to indicate a very old person.
"That old hag's a friggin' brontosaurus!"
by Dave Jan 14, 2004 add a video
2. Brontosaurus
An incorrect name given to a sauropod skeleton. It was originally believed to be a new genus, but was later understood to be the same creature as the Apatosaurus.
Brontosaurus burgers couldn't have existed, correct?
by Diggity Monkeez Mar 17, 2005 add a video
4. Brontosaurus
The act of kicking someone square in the rectum with the toe of the foot.
Johnny brontosaurused Jim right after he made a joke about his penis size.
5. brontosaurus
A nickname for the penis.
"Mark, quit tugging on your Brontosaurus in the theater!"
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