From Longman Dictionary of Contemporary Englishstop back phrasal verb American EnglishRETURNto go back to a place you have been to earlier Can you stop back later? I’m busy right now. → stop→ See Verb table
Examples from the Corpus
stop back• I stopped back by my ship, where Leese was busy heating up his meal.• Jody is off traveling almost all of July, rarely stopping back in Eugene. 