The single most functional and revered word in the english language.
Can be used as a noun, verb, expletive, as a complete sentence or as a fragment of a sentence. There are devotees to the word aeroplane and who will interject it into conversations as often as they can. Although this is always forgiven, because as previously stated, it is the most functional and revered word in the english language.
"Look at that aeroplane"
"Shut the aeroplane up!"
and the favourite "I'll aeroplane your aeroplane so aeroplaning hard that your mother's aeroplane will crash"