The event in which an external stimulus causing one's sexual organ to stiffen to erection. Caused by a lack of ATP, and thus myosin cannot dissociate from the actin in your penis muscle.
Woaahh... Ted did you see that girls cleavage? It gave me a bad case of rigamortis.
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!