A not-high-yet-not-too-low end brand of beer. Miller Lite, especially, is popular amongst calorie counters, as it contains less calories than some other "lite" brands.
millermothed is when you are wearing loose fitting shorts and laying on the groundworking on something. Then the millermoths swarm up your shorts and tickle your fancy. You have just been millermothed.
While lying on the garage floor working under my car, a swarm of millermoths flew up my shorts and had their way with me. I can't say that I didn't enjoy it. I've just been millermothed.