Mutha fuckstars has various uses and is considered by many to be the creme de la creme of multifaceted vulgarity as its beauty is found in its diversity.
1. Used as a term for giving props/shots to a particular item based on a scale of 1-5 stars.
2. Is interchangeable with the word heck, hell, fuck, fuckers or mutha fuckers in a sentence without fear of reducing the value or original intention of the speaker.
'Dude, did you see the booty cleavage on that hottie? It was like 5 mutha fuckstars of goodness.'
'OMG, this pizza is almost perfect...I give it 4 outta 5 mutha fuckstars.'
'What in the mutha fuckstars is up?'
'You mutha fuckstars best get to steppin bro.'
'Y'allz actin like a buncha mutha fuckstars, bogarting ain't nice.'