Boy: "Look at that guy over there! He is really skiniving."
Girl: "Don't you just hate it when people start skiniving?"
Boy: "I don't know, I enjoy skiniving." He says as he tries skiniving his way into her pants.
People may tell you it is not a real word, but don't believe them, we all know it is.
A combination of the words Scheming and Conniving.
Schenniving is to collude, or cooperate in an illigal or wrongful action, while simultaneously contriving a secret plan or plot.
"The Blues never sleep. They're to busy plotting to destroy our way of Life. That's how you can always spot a Blue Donut. They're always the ones Conniving and Scheming. Sometimes they do both. I call that, Schenniving." Sarge(Staff sergeant and leader of the Blood Gulch Red Team)