Don't look at her with that creepy lecherous stare.
Tips
usage
Reduplicated form of 色迷迷 (sèmímí). The double-up adds a teasing, almost cartoonish tone — used to describe creeps in TV dramas more than in serious accusation. For neutral 'horny' use 好色 (hàosè) or 性欲强 (xìngyù qiáng).