A rabid pigeon commonly found in Italy or the streets of New York City.
That bastard Piccione just hit my window.
by pigeonshiter November 8, 2010
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The act of having an over-inflated sense of one's ability despite no evidence supporting this belief
Gibbo: 'I swear that if I stayed off the piss I could have run the 100m at the Commonwealth Games'

Everyone: 'Gibbo that's unwarranted piccione and you fucking know it'
by People's Champ 37 September 26, 2017
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