Mattresscide

Aiming your ejaculate at the mattress instead of releasing it inside of a female, thus risking impregnating said female.

Lebron James' father should have performed mattresscide instead of bringing that useless human into the world.

by BLKJAK June 16, 2011

mattrecide

To kill a person while on a mattress,i.e. in bed.

Damn, that girl/guy is cute. I'd love to take him/her home and commit mattrecide.

by jahnauasca February 22, 2008

MattressCereal

All of the dead skin flakes, dirt, dust mites, and everything else that accumulates inside a mattress over the years.

I have to get a new mattress! Mine is full of mattresscereal.

by Lemonheadlice July 21, 2010

Mattressidal

When you are so tired or aroused, that you are practically dying to get into bed.

While texting late at night with his girlfriend, he became seriously mattressidal.

by Bryce Morganthau April 4, 2023