Quick answer: The player who draws a Queen becomes Question Master. Anyone who answers one of their questions drinks.
What Does Queen Mean in King's Cup?
The role usually lasts until the next Queen. The Question Master tries to get natural answers, but safety questions and genuine requests for rule clarification should never count as traps.
Common Queen House Rule
For a simpler version, the Queen immediately asks one trivia question and the first wrong answer takes the action.
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.