What is Sly Sign?
1.
When you put your middle finger up to somebody behind an opaque object (predominantly a door), releasing anger but not getting into trouble. Usually used by young teens, aimed at parents.
"My mom was being so annoying... so i sly signed her through the door when i left the room."
"No way dude!"
See
Random Words:
1.
To let out a silent, smelly fart in company or a crowd
"Good Lord, who opened their lunch?"
See steve..
1.
Most often used as a question in place of "are you kidding me?"
And normally used when irritated
For example:
Baker: &quo..