1. An abbreviation for Michael Kelso, a character from the FOX sitcom That '70s Show
2. An extremely dim-witted person, often male.
1. Kelso burned down the Point Place Police Academy.
2. That guy is such a kelso! He just tripped over his own feet.
1. A soothing sound Eskimo mothers would whisper in order to sooth their young.
2. A word used in the film "Anger Management" by Buddy Rydell in order to keep his patients from becoming irate.
Don't loose your cool, remember goosefraba.