To fart into the open mouth of someone who has passed out, typically from consuming excessive amounts of alcohol. The lafrance is a party challenge: if a party patron has been so stupid as to consume more alcohol than their limit and to pass out as a result, other party patrons are welcome to try to position their posterior over the mouth of the passed out person and fart.
The origination of the lafrance may have been influenced by the movie Monty Python and the Holy Grail where a French soldier tells the English that he is going to "fart in (their) general direction."
Lanfranco, better known as “prosciutto” is an italian God with the “R moscia” that is so sexy and hot, he have a master in sex and he is also a porno star
Something that is incredibly funny, where you laugh at something so hard, that your laugh is no longer a laugh. But it is more of a gasping for air and a struggle of failing to receive oxygen. This can last for 1-5 minutes. Side effect of Laffriot'ing are stomach cramping, cheek cramping, red face and light headedness.
Did you see that fat kid get hit in the facewith that ball? I could see his chin fat make a wave formation all the way to the back of his head, it was a laffriot.