Quick answer: Everyone points toward the ceiling; the last player to raise a hand drinks.
What Does 7 Mean in King's Cup?
Seven means “heaven.” Reveal the card, point upward, and identify the last response. The rule ends as soon as that player completes the agreed action.
Common 7 House Rule
Players who cannot raise a hand can look upward, say “heaven,” or use another agreed signal.
House rules differ by group. Confirm the meaning before the first card is drawn, allow anyone to choose a non-alcoholic alternative, and never pressure a player to participate.