“Engages in a dispiriting online activity … or what happens in this puzzle's shaded squares?”

Motown legend Lionel

Canadian gas brand

Follower of Mac or Go in commercial names

Totally absorbed

Classic ingredient in baby powder

Ingredient in a Tom Collins

Sorcery commonly associated with Haiti and New Orleans

Dined

U.K. : H.M.R.C. :: U.S.A. : ___