Put it right on the entrance or reveal, then follow it with a sexy sax line, or lead into it with rizz sounds to build up the charm before the payoff.
About this sound
This is a short, three-second whistle sound effect with a smooth, rising-and-falling tone that mimics a playful wolf whistle. It feels cheeky, flirty and light-hearted, like a cartoon-style call of admiration, and it lands best as a quick reaction rather than a serious cue.