1 definition by Finweigen

Top Definition
A mattress you do not want to drop the soap in front of.
Bill: "I haven't gotten any sleep all week, I think it might be cause of my mattress"

Shane: "Oh really? What kinda mattress you got?"

Bill: "A brand new inserta"

Shane: "Ouch"
by Finweigen January 14, 2011

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.