The creamy 'sauce' used to flavor the Fillet O'Fish at McDonalds. In reality, that 'sauce' is just the semen of a sexually deprived employee, usually male, working in the hot, sweaty, back stoves. Usual characteristics are an abundance of zits, quite skinny in body mass and has an obsession with Star Wars and Star Trek.

the act of texting people while you are pooping

to explode jizz all over a mcdonalds hamburger

the orgasmic feeling you get while/after you eat mcdonald's