A fork of Rural Dictionary
(verb) unintentionally have your neck muscles tense up and/or freeze when in the presence of someone attractive, often to the point where it is obtrusive and creeps out the other person
Chris and Nadir were having a fun, loud conversation on the rooftop bar. As two hot women walked by, they both stiffnecked and went quiet, causing the women to give them strange looks and move on.
A term Generally used for an usual way of kissing. Basically a movement so unseen to the human eye it's unbareable to watch.
Take your Right Ear and Touch your Right Shoulder and keep your head like that for the entire kiss without moving, you just then performed a STIFFNECK! how was his kiss? omg i just been StiffNecked!