clamwrapper 

panties; often 2-3 sizes too small

That skank wet herself and her clamwrapper is foul

clamwrapper by LupinIII April 23, 2005

Clamlapper

One who enjoys the fine art of devouring some tasty tuna. Props to the late, great Bill Hicks for this one.

Are you familiar with the video series Clamlappers 1-50?

Clamlapper by onenut March 5, 2003