a female humanoid bird imitator who has nymphomaniac tendencies and is known for aggressive trashing of environment when having sex.
When Johnny took Mary to the No Tell Motel he knew she'd do her imitation of a ruby throated mattress thrasher.
by Diogio Rome January 20, 2008

by Ed Jackson February 6, 2004

A lifestyle of ease and simplicity where one lives without worry or concern. In most cases this lifestyle was inhierted and undeserved.
by Mr. Grindle October 26, 2018

by MR.M@C11 September 19, 2011

An unsafe urban area.
by Lip Cheese October 18, 2012

Elizabeth: yo Tim did you hear Max and Lisa upstairs last night?"
Tim : Yeah I sure did I think they were having a horizontal horizontal mattress party "
Tim : Yeah I sure did I think they were having a horizontal horizontal mattress party "
by Kielbiski October 19, 2016

Hey, Darren, there is a rare bird (Darren turns to look). There a Double-Breasted Mattress Thrasher.
by Kneeneye November 6, 2011
