to make an appearance, maybe to an event, party, club, get-together etc, that you don't want to be your final destination.
Yeah I'm going to hit up a couple spots tonight but i have to at least show-face at May's party.
Nando: "I'm having this event tonight you wanna come out?"
Lisa: "Yeah, i may show-face, it depends on what's going on, ya dig?"
Nando: "I dig"