1) Blowhard 2) Boaster 3) Bragger 4) Egoist 5) Egomaniac 6) Megalomaniac 7) Narcissist 8) Popinjay 9) Swellhead 10) Vaunter 1) Boastful one 2) Complacent one 3) Conceited person 4) Disagreeable person 5) Egoist 6) Hard one to work with 7) His aim is to get recognition 8) Legend in his own mind 9) Me-firster 10) No modest violet 11) One looking out for number 1 12) Opinionated sort 13) Overweening one 14) Self-absorbed person 
• (n.) One addicted to egotism; one who speaks much of himself or magnifies his own achievements or affairs.
E'go·tist noun [ Latin ego I + ending -tist for -ist . See Egotism , and confer Egoist .] One addicted to egotism; one who speaks much of himself or magnifies his own achievements or affairs. 
[n] - a conceited and self-centered person
egotist Someone who is usually me-deep in conversation.
egoist 1 swellhead noun a conceited and self-centered person
a conceited, boastful person. · a selfish person; egoist.