The phrase "flimsy excuses" refers to explanations or reasons that lack strength, are weak or unconvincing, and often used to hide the truth or avoid responsibility. Full definition
Mr. John Kumah made the assertion while responding to comments by the Executive Secretary of the PPP, Richard Nii Armah, that the Presidential Candidate of the NPP, Nana Addo, is just making flimsy excuses for not attending the presidential candidates» debate organised by the National Commission Civic Education (NCCE). (citifmonline.com)
So stop giving flimsy excuses, stop waiting for the perfect partner; stop sitting on your ideas. (profitableventure.com)
And stop benching the Gunners he should be starting on flimsy excuse like Lacazette, Mustafi and Kolasinac whom he benched in the Liverpool game that we lost badly. (untold-arsenal.com)