Why is the word saucy so funny?

Well it's a word that is both silly sounding and not really to be taken seriously and yet also gives the impression of unbridled sexual promiscuity.

It's all the "ssss" sounds. Like "shits sake". Say it a couple times, and you'll be laughing your butt off.

Because it reminds me of gravy

You're a saucy wench aren't you? ;)

It has many meanings.

tu estás salsa

Hello Adelh91. Some people enjoy the sauce more than the meat. I think I agree. I can tolerate meat I do not particularly like as long as I like the sauce.

It just makes me want pasta, or a chick with sauce on her. No idea how it came to be.