holy crap, now this is tough!
short list (well, maybe not so short):
Cold Gin (from debut)
Nothin' to Lose (from debut)
Watching You (from Hotter Than Hell)
Parasite (from Hotter Than Hell)
She (from Dressed to Kill)
Two Timer (from Dressed to Kill)
God of Thunder (from Destroyer)
Calling Dr. Love (from RnR Over)
Naked City (from Unmasked)
Under the Rose (from The Elder)
Rock and Roll Hell (from Creatures of the Night)
War Machine (from Creatures)
I Love It Loud (from Creatures)
And on the 8th Day (from Lick It Up)
Dance All Over Your Face (from Lick It Up)
Lonely is the Hunter (from Animalize)
Hell or High Water (from Crazy Nights)
Unholy (from Revenge)
Domino (from Revenge)
To narrow that down to just a top 5 is VERY be tough, much less an absolute #1 fave, but I'll try.
Top 5 (as of today, this could change over time):
Watching You (from Hotter Than Hell)
She (from Dressed to Kill)
God of Thunder (from Destroyer)
Rock and Roll Hell (from Creatures of the Night)
Unholy (from Revenge)
Can't pick a #1 from that list at this time ...