"offline meeting": a real-life meetup between people who met online; IRL meeting

meeting, gathering / society, association, club

off

next week

the week after next

participation, commitment

to participate, to join, to enter

(chiefly women's speech) first person singular pronoun: I, me

(polite) first-person singular pronoun: I, me

a personal or private matter / (by extension) selfishness