Phallacy: the false belief that one has a large penis
Mike was talking shit swinging his dick around like he's working with something massive. It's a total phallacy, he's hung like a squirrel!
The feeling that a person deserves better career, relationship and overall general outcomes in their life due to all the extreme effort and discipline they have put into perfecting their body through working out/fitness regimens.
Mark has a total sense of gymtitlement now that he's all buffed out. He thinks every woman he meets should feel lucky to go out with him.