dirty mind; lecherous thoughts
Colloquial term for a mind preoccupied with sexual or lewd thoughts.
He doesn't even try to hide his dirty mind.
He approaches women with lecherous intentions.
conniving mind; self-interested thinking
Colloquial, less common than the sexual sense; refers to a calculating, self-serving mindset.
His kindness came from a conniving mind.
下心 also means ulterior motive or secret intention, but is more general and less colloquial than スケベ心.
Common colloquial spelling using katakana for スケベ.
Kanji spelling; less common than the katakana form.
Compound of スケベ (lewd, lecherous) and 心 (heart, mind). The origin of スケベ is uncertain, but it is a colloquial term widely used in modern Japanese.