by Hairy Palmer January 24, 2003

The kind of unattractive person who doesn't qualify as being a prawn. Whereas with a prawn you keep the body and throw away the head, with seafood extender you throw away the lot.
Steve: "That chick I picked up last night was a bit of a prawn"
Mark: "Really, I thought she was more like seafood extender"
Mark: "Really, I thought she was more like seafood extender"
by mchughno5 November 17, 2010

by thegangstabeatch January 09, 2010

by rhonda August 26, 2004

by snatch_master December 28, 2011

by LoveHandlePuppetFaces November 04, 2015

When you get out of the pool, and your penis and testicles are shriveled up like a shrimp and oysters, and you penetrate it into your partners vagina...the full package.
by Work definitions September 08, 2015
