The term "learned the clarinet at school" is most commonly used by persons as a way of conveying the fact that they have been known to give fantastic oral sex, particularly on male genitalia.
"I learned the clarinet at school." John said, sending a wink in the direction of his room-mate.
A unicorn with a clarinet as a horn. one can be a clarineticorn by placing the bell of one's clarinet on their forehead and holding it there so that the rest of the clarinet sticks up like the horn of a unicorn. (usually done while running and/or making akward, loud noises)
Person 1: (running with their clarinet on their head) "AAAHH!!!"
Person 2: "dude, what's that guy doing"
Person 3: "oh he's just being a clarineticorn"
An instrument descended from heaven. Forged by God himself in the fires of Mt. Buffet with wood taken from the trees of the Garden of Eden, it is said that when one such instrument is played, storms dissipate and seas are calmed. In the hands of an expert, the Bass Clarinet's power can be weaponized, calling in lightning to crash down upon his enemies.
A holy weapon of mass destruction. We call it- the bassclarinet.