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 15, 2010
by rhonda August 27, 2004
by thegangstabeatch January 9, 2010
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 August 5, 2015
by snatch_master December 25, 2011
by LoveHandlePuppetFaces September 21, 2015