To refer to a member of the opposite sex in conversation when such discussion may be considered overly discriminatory or sexist when being overheard. Can refer to the USDA system of grading for pistachio nuts and shells (i.e. U.S. Fancy, U.S. Extra No. 1, U.S. No. 1, and U.S. Select).

Internet persona(s) who happens to follow you and you happen to follow them back and maintain communication with and have a mutual liking for eachother whether it be friendship wise, etc. (Mutuals if more than one mutual)

look like beans, smell like nuts, feel like shell, sound like nothing, taste like heaven.

Used as a literal replacement for "That's what she said" in times when the full statement would be deemed crass and boorish, e.g. when in the presence of your grandmother.

The Single most addicting snack ever

they look like little green penuts but DO NOT BE FOOLED!

they are really little green alien seeds sent to earth so that once one becomes addicted and eats enough they will explode and little alien babies shall run free...

Thee aliens plan on harvesting the seeds in 2012

A delicious nut snack

A term used to describe the female genetalia, derived from the vaginal resemlance of it's shell.