also: カボチャやろう
noun
ugly-faced man; man with a pumpkin-like face
Derogatory slang comparing a man's face to a pumpkin, implying it is unattractive or oddly shaped. Strongly insulting; used in casual, often hostile contexts.
あのかぼちゃ野郎、また変な顔してるよ。
That pumpkin-faced guy is making a weird face again.
かぼちゃ野郎って
I've been called a pumpkin-head before.