an indicator that one is contemplating a sensual encounter with another sometime in the nearfuture, particularly in response to a somewhat innocent remark
"Look its raining! I love the rain. Let's go out and get wet!" she exclaimed.
"Hmmmmmmmm" he responded, with a smirk on his face.
You:*Puts something in microwave and turns it on*
Microwave:mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm
When someone doesnt want to say no but are making it blatantly obvious.
Person 1: Hey you wanna go outsometime?
Person 2: Hmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm