From Longman Dictionary of Contemporary Englishtrot something ↔ out phrasal verb informalSAY/STATEto give opinions, excuses, reasons etc that you have used too many times and that do not seem sincere Steve trotted out the same old excuses. → trot→ See Verb table
Examples from the Corpus
trot out• It always annoys me so much the way you girls trot it out like you're saying something so astute and revealing.• When you first trot these out, you may find that to your ears they sound artificial and contrived. 