When you dip your uncircumcised penis into a cup of coffee, and then stretch it over another persons nose.
My friend kept falling asleep at work, so i gave him a little "seattle sombrero" to get him through the day!
Paper toilet seat cover used in public restrooms.
That toilet sees a lot of use, be sure to use a Polish sombrero to protect your skin.
When you're in 69 position with someone, and they take a dump on your face/head.
Dude, she game me a chocolate sombrero! My mouth was open and everything!
Another way of saying put a rubber on it.
My grandpa would say “Mijo put a sombrero on it” after he met my new girlfriend.