A poop that has some stringy, onion like substance, but mostly consists of cloudy brown squirts. Often burns upon exit and could also be described as fire booty.
After a long night of drinking, jeff went to a taco truck and got a burrito to try and sober up. About 20 minutes later he charged into the bathroom to cook up a nice bowl of french onion poop.
by Mosh1200 June 25, 2011
Get the French Onion Poop mug.
When you take chip dip and put it in the girls vagina then have sex and when you are done you eat it out of her.
I gave Allie the French onion dip and it was delicious.
by The krusty crab June 24, 2017
Get the french onion dip mug.
basically a faggot who is french and proud of it

they usually have no personality and have no friends.
girl: So what are you?

guy: 100% french...you know what that means...

girl: Ew a french onion? Shoulda known...Well bye.
by sjafhkjdfg April 29, 2011
Get the french onion mug.
When someone (or multiple people) shits, pisses and cums in a hot tub.
*Two dudes in a hot-tub*

Liam: I’m going to French onion soup this hot-tub.

Jack: Man please don’t French onion soup this hot-tub.

Liam: no.

*Liam shits pisses and cums with the power and ferocity of 10 suns*
by Strictlybanter November 16, 2022
Get the French Onion Soup mug.
A combination of "male hot soup" on top, and a generous helping of fecal matter for the base. Served in a cup or bowl. Also part of the "lunch special", which is half soup/half tossed salad.
"Call me Pierre...I just gave that bitch some French Onion soup and all she said was 'Ooh La Laaaaa.'"
by Rusty February 3, 2005
Get the French Onion Soup mug.
Getting sweat after working out, leaving work, and getting a bj.
You hear about Beans French Onion Dipping at work the other day?
by deep daily dipper October 21, 2010
Get the French Onion Dipping mug.
A two part sexual act involving A) ejaculation into the female participants naval cavity and B) Tanning said female, ejaculate and female intact.
Optionally served with crumbled saltines before step A.
Tom: I'm hungry...lets go to the diner.
Kerri: But that diner isn't 24 hours.
Tom: Lets go back to my place...I'm serving French Onion soup all night.
Kerri: Great...I think Hollywood Tans has late night hours.
by Tom the bomb titty December 10, 2007
Get the french onion soup mug.