The act of quickly inserting one's finger into an unsuspecting victim's bummhole while shrieking "SHMY!"
Girl 1: I think that guy behind us with the backwardsBlue Jays hat is about to shmy me.
Girl 2: Ya he already shmyed me
Guy 1: *inserts finger into clothed bummhole* SHMY!
A Shayzil seems nice at first but eventually you realise that she’s rude and demanding. Oh did I mention that she will bring your self esteem DOWN. She has a couple friends who she trusts and loves but they are also rude and annoying. A Shayzil is also a person who is all mouth. She will argue with you verbally but when it gets physical she will run away.