A flabby-sounding, wrong, or sour, note played on a trumpet.
Johnny is just learning how to play brass instruments, so you can expect a trumpoot or two from him.
by pentozali July 17, 2009
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Where a highly potent guff has a recognisable pitch.

Gape practise can result in articulate melodies.
Man - "where you singing in the shower?"

Woman - "no. I was trumpooting"

Man - "I see"
by rodalphus pootus August 19, 2011
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