A Louisiana yogurt is when someone uses Expired Yogurt (Greek is fine too)
as lube, and pees into his partners Vagina. During intercourse.

You can turn it into a Lemon chocolate one in one easy step too!
Look at that poor thing, looks like she got

Louisiana lemon yogurt All over.
Her gynecologist quit after that, poor thing.
by You Make Me Feel Like A Man August 11, 2022
Get the Louisiana lemon yogurt mug.