Solution to Evan Birnholz’s July 19 Post Magazine crossword, “Foursquare”

It’s meta time! The instructions ask for an eight-letter phrase. The grid itself appears to be themeless. There are a handful of nine-letter answers (SPIN CLASS, GET AN IDEA, BOW WOW WOW, LASER BEAM, NAVY YARDS, NARROW WIN, TOLERATED, and PIECEMEAL), but there are typically some longer answers in a 21×21 puzzle that would stand out more clearly as theme answers.