rigamortis tongue

When one contracts his/her tongue muscle in a cylinderical and/or probe-like shape. This is typically prepartion to be used to penatrate the rectal wall.

Clay C: What did you do with Morgan's sister last night?
Clay K: I got all white trash on her, and gave her the rigamortis tongue before we got raw dog nasty!
(or)
I'm going to give Katie the ol' rigamortis tongue this weekend!