Classic schoolyard activity, and theme of this puzzle

Question:

Length:

Similar Crossword Questions:

Classic breakup line, and a hint to the formation of this puzzle's theme answers
Noted arcade classic, and this puzzle's theme
Classic 1911 children's novel ... with a hint to this puzzle's theme
Actual protest activity for tax-and-spend opponents that sets the tone for this puzzle's theme
Activity suggested by this puzzle's theme entries
Classic name in retail clothing ... or a hint to this puzzle's theme
Classic rap outfit whose more famous members are circled in this puzzle's theme answers
Did a baby care activity (or this puzzle's theme, literally)
Schoolyard retort, and hint to this puzzle's theme
Post office activity, or a hint to this puzzle's theme
"Something you would cheat on if you knew you wouldn't get caught." "___" (also, the source of this puzzle's theme answers)
Comic that comes to an end on October 3rd, and whose catchphrase ends this puzzle's theme answers
Nanobot's hypothetical ability, and the process that's overtaken this puzzle's theme answers
"All of Me" actress whose first name is a hint to this puzzle's theme
Letters for the names "buried" in this puzzle's theme answers
Time, in this puzzle's theme
This puzzle's theme involves fictional ones
Make an abrupt change ... and a hint to this puzzle's theme
Clergy, and this puzzle's theme
Modern type of data network, and this puzzle's theme
Department in a store where you might buy this puzzle's theme
Like this puzzle's theme, to moderates?
What this puzzle's theme entries are
Wintry mix revealed in the circled letters (it's the puzzle theme!)
Ubiquitous arcade game message, or a hint to this puzzle's theme