What's this day-of-rest s#@!

Q:
AO:
Sippy Cup
Rosie
Wilson
Spit
Opus
Saab
Flashdance
Flipper
Lockjaw
Conspiracy
Honeydo
Gumbo
Winstons
Swirly
Seymour
Malpractice
Upchuck
Fireman Ed
Hardwood
Kingpin
Singlet
Helix (RIP Blue Balls)
Receptacle (FNG)
Dreamliner (Hampton Roads)
Flatline (FNG)
Cosmo (FNG)
DaVinci (FNG)