It's when like someone who is scared begins talking himself up as a bit of a fighter and you can see that he is just scared. (justarsenal.com)
Go all out and really talk yourself up in order to make a worthy impression. (jobs.ac.uk)
Writing about yourself is rarely easy, and when you have to try to «sell yourself» by talking up accomplishments, it can be even harder. (careerdigital.com)