Words before sea or lunch

OUT TO

Think of a phrase you might say when leaving the house for a meal or a sailing trip.

This clue plays on common phrases where "out to" comes right before "sea" or "lunch." Think of "out to sea," meaning far from shore, or "out to lunch," a slangy way to say someone’s distracted or away. The answer is the two-word phrase that fits both scenarios, acting as the setup for either word that follows. It’s a straightforward fill-in-the-blank with a hint of everyday language.