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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
Adaconn / Inserta develops proprietary products for integrated hydraulic systems.
Adaconn / Inserta provided me with the greatest hydraulic systems.
by FinnerFincher January 18, 2011