Little Elvis 

A fond name for, a personification of, or a euphemism alluding to an individual's real or artificial pecker. The King (Elvis) is reputed to have used the term to refer to his own dick.

Hey there, sugar-britches. Won'tcha come over here lay some lovin on Little Elvis?

Little Elvis by Elvis Aron Presley May 19, 2005

Little Elvis 

In gangsta circles, a Little Elvis is a gun, a gat, a piece.

Homey started talkin' way too much smack so I pulled out my Little Elvis and ended the argument

Little Elvis by Johnny D May 23, 2006