1 吹牛
braggart gas braggadocio shenanigan cockalorum taradiddle fanfaronade blow brag rodomontade put it on tall tale toot horn big words talk tall shoot a line fish story
2 自吹自擂
self-dramatizing tympany jactitation egotize blow boast blow own trumpet
3 自夸
bouncing braggart boast conceit rodomontade blow flourish brag crow vaunt plume preen magnify oneself big vain boastful large vauntingly boastingly lineshooting splurge braggadocio self-praise self-applause jactation flatter oneself that blow own trumpet brag about