Oxymoron

a rhetorical device that uses an ostensible self-contradiction to illustrate a rhetorical point or to reveal a paradox.

• awful good
• exact estimate
• impossible solution
• original copy
• random order
• terribly good
• wise fool

I am so dumb, oxymoron
I am so stupid indeed
No one more intelligent than me
Did I just say, oxymoron?