suppositive

(n) Something inserted in one's rectum that causes a pleasurable sensation.

It looked big, but, when greased thoroughly, that liter Coke bottle turned out to be a real suppositive.

by DukieP April 28, 2005

supposition

to suppose something is true, almost like an assumption

"I suppose"
-That's a good supposition...

by Chirstine January 2, 2009

supposition

A noun used meaning a supposing or something supposed.

Commonly used by trendy hipsters hoping to up their vocabulary points. Typically used instead of the word assume by people who pretend they don't make judgements.

"I have quite a few suppositions about that person"

by Scratchy finger nails January 28, 2010