The act in which the male stands over his bitch having just fucked the shit out of her and shaves all of his pubic hair including the gootch and it creates a nice little french sweater.

When a chick shoves her finger up a guys ass and massages the prostate while he is cummin during a blowjob.

Traditionally a "French Twist" is a hairstyle in which the hair is tucked into a vertical roll on the back of the head. However, "French Twist" can also be applied to the act of having sex because the penis is tucked into the vagina in the same sense.
*is best used to discribe this act with a chick who has a fat vagina.

A French Weekend is not necessarily a weekend. Essentially, a French Weekend is the few days you don't wash-up after having steamy, sweaty, hard sex with someone you just met and feel very turned-on about. For the next few days you can smell sex on yourself and the scent of that person still lingers on your body until it's overtaken by your own familiar stink. That's when you know it's time to rub-n'-scrub with shampoo and good soap and go fuck again.

When you fuck a black chick and she's on her period, your dick smells like a bloody french fry.

When a man dips his cock in butter and fucks a chick in the ass while drinking a glass of champagne.

A nasty person who resembles french toast... usually has the following attributes: greasy hair-syrup, bad smelling-burnt eggs, baby powder in hair to try to cover up the grease-powdered sugar. May also be a mysterious whore-nobody knows where it came from and is everywhere.