French Microphone 

When some ones sleeping with there mouth open and you fart in their mouth causing an echo

Bobby received a french microphone after falling asleep at the party

French Microphone by 505cheifkingz May 11, 2014

French Microphone 

The definition buzzfeed told me to search via snapchat.

I searched "French Microphone" on Google and found the definition swiftly after. Then I threw up my egg and cheese McGriddle.

French Microphone by T_steak January 5, 2017

French Microphone 

When someone gives a sleeping guy a blowjob while they're sleeping.

Yeah, and then I woke up and she was giving me a french microphone!

French Microphone by DickDickler June 4, 2014