knock the chip one's shoulder (verb) throw down the gauntlet: invite to do battle
Detalii: you run the gantlet but throw down the gauntlet
Sinonime: conceited, egoistic, egoistical, egomaniacal, egotistic, egotistical, individualist, megalomaniac, narcissistic, pompous, self-absorbed, self-centered, self-concerned, self-indulgent, self-interested, self-loving, self-serving, selfish, stuck-up, vainglorious, wrapped up in oneself