Glitter rock isn't associated with a specific musical style as much as a period of time, roughly between 1972 and 1975 when it reached a glorious apex in the cult film The Rocky Horror Picture Show (featuring the debut of Meat Loaf).

hope + -less → hopeless

But the dinnerly Officer was so hastie on his way, that he refus'd to heare him, posting him ouer to an other season: […]

What're you in for? he asked Billy, sounding like a hardened convict enquiring whether Billy had been incarcerated for housebreaking or carjacking. “I'm in for Automysophobia fear of getting dirty. Which can be a real bummer when playing footie. Just one speck of mud on my shorts and I freak!"