Cheater-Senses
A collection of feelings or palpable aura a premonition or precognition that your significant other may be up to something or with someone that wont positively affect your relationship.
Girl 1: It's weird I usually get a text from him right before he goes to bed but last night, nothing.

Girl 2: Sister that's your Cheater-Senses telling you to watch out for that playa. He's a dog!