also: すけべい
noun, na-adjective
Casual, often humorous or derogatory term for lewdness or a lewd person. Can be used as a noun (a pervert) or as a na-adjective (lewd, perverted).
あの人はスケベな話ばかりする。
That person only talks about lewd things.
彼はスケベだから気をつけて。
He's a pervert, so be careful.