stop off

verb2

1. •
   To make a short visit somewhere, on the way to another place, either same-day or overnight.

   • It's a long drive across Texas, so we're going to stop off in Austin for a night.
   • Let's stop off at the supermarket for a second, we have already run out of milk.
2. •
   To fill (a part of a mould) with sand, where a part of the cavity left by the pattern is not wanted for the casting.