by rekco January 25, 2011

by Linus12 June 20, 2010

Someone that uses or creates surreal/cursed memes to an extent that it becomes part of thier character as a whole.
Person 1: that guy over there likes those weird internet jokes way to much
Person 2: Ikr, he's such a rat slapper
Person 2: Ikr, he's such a rat slapper
by M&M the raper October 10, 2020

The class ring of the Massachusetts Institute of Technology (MIT) in Cambridge, MA, USA. Of gold alloy, it bears a relief representation of the school's mascot, the beaver, chosen because it is an engineering animal.
I saw more than one brass rat at the Stanford Hillel. Evidently a lot of Jewish MIT graduates end up doing work at Stanford.
by Leslie Doppler May 23, 2010

Someone or something that is annoying, frustrating or incredibly difficult to overcome.
The double use of 'Rat' is used to establish the utter annoyance with the subject of the conversation.
The double use of 'Rat' is used to establish the utter annoyance with the subject of the conversation.
by The Chicken Shed Possy June 5, 2005

A pigeon
by SALTYteaBAG June 16, 2009
