Discoball

2 clues
Go-go gadget?
One lighting up the dance floor
Similar answers:
Adiscussion
Afulldisclosure
Ageofdiscovery
Appleofdiscord
Asdiscussed
Atadiscount
Avoiddiscussing
Beoutdisced
Blooddiscount
Bluraydisc
Bluraydiscdrive
Bungeediscord
Ceramicdisc
Charlesindischarge
Ciscodisco
Compactdisc
Compactdiscjockey
Compactdisco
Compactdiscs
Countsdiscounts