The following is the full sentence:
One could argue, convincingly, that this is no big deal and that I'm just a whiner.
English Language & Usage Stack Exchange is a question and answer site for linguists, etymologists, and serious English language enthusiasts. It only takes a minute to sign up.
Sign up to join this communityAs the New Oxford American English reports, no (used as adjective) means not any.
There is no excuse.
No two plants are alike.