A superlative meaning the 'very best' combining butter very smooth, nice, agreeable and luscious - appealling.
It can used to describe desirable women or powder snow.
It snowed 2 feet of butterluscious powder last night!
What an awesome day, the snow was butterluscious.
Check out that hot chickover there, she is butterluscious
Much like a butterface, a buttergut is a chick with a cute face and rack; the deal breaker is the sloppy flab of skin that hangs over the beltline (commonly refered to as a fopa, ponch or gunt).