Epanorthosis (ep-an-or-tho’-sis): Amending a first thought by altering it to make it stronger or more vehement.
I really like coffee ice cream. No. Actually, I love coffee ice cream. Wait! The truth is, I worship coffee ice cream! Each time I eat it, I pray to it. I pray that it won’t drip on my t-shirt, give me pimples, or make my sinuses hurt.
Definition courtesy of “Silva Rhetoricae” (rhetoric.byu.edu)