A Secret word, used to make a person jealous, curios or mad. A word that "does not mean anything". The secrecy is the point, to not tell the person when you use it in a context. Similar to Smurf.
Male 1: Dude i totally just SHmeeked that sh*t.
Male: 2: What?
Male 1: It totally got shmeeked
Dude 1: Shut up or ima shmeek you
Dude 2: wha?
Angry Dude: F*ck you you stupid Shmeek loving Shmeeking Shmeeker.