look up any word, like plopping:
 
1.
To make an early exit without saying good-bye
Cinderella made a French exit from the ball.
by Gabriella January 08, 2005
 
2.
To leave early without saying goodbye and not paying their share of the bill.
Where did they go, the tab just arrived.

The fuckers did a french exit...
by mv74 March 14, 2009
 
3.
Leaving the scene of a sexual encounter before one's partner has had a chance to clean up. (specifically/crudely: while things are still dribbling out of things)
He was a total asshole. Pumped me full of seed and pulled a French exit quicker than you could say 'je ne sais quois.'
by Approbate April 14, 2011