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1.
To smirk off, or also known as giving someone a "look" of smirkyness. This phrase was invented by a future female chemist.
"did you call me stupid?"
"No, I was saying something else and then i saw u turn so I said your name. why are you calling me stupid?"
"I didn't!"
" I saw you smirking off and so i thought you were calling me stupid"
"hahaha"
by Chemistry smurfer March 08, 2010
 
2.
Jacking off in class to a hot chick.
Yo, this kid in class was totally smirking off to that new chick.
by Jason Pogany April 20, 2010