License to Blah Share definition Flag -A special permit bestowed upon a third-rate actor attempting to cash in on the action-comedy fanbase. Ashton: "Let's just say I work for the Blah Blah Blah and have a license to blah..." License to Blah by PittsburghPA January 6, 2011 0 0 Get merch Get the License to Blah mug. Buy Now — $32.95 See more merch