What is Mctoss?
1.
After ordering a beverage of any type at McDonald's, you throw it through or at the drive-thru window as you pull away. Extremely obnoxious and unpleasant.
I just McTossed my McFlurry that bitch at the one across the street from CVS. She'd been fucking up my order recently.
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Derived from the root words "vagina" and "confidence", used to describe a person or situation when the vagina is mig.. 
1. 
A slut who sucks dick behind a dumpster, films it and sends it to her Aunt Tilly in Minnesota as a get well gift.
That chick is a dumps..