Examples of tmesis:
If on the first, how heinous e'er it be, To win thy after-love I pardon thee. --Shakespeare, Richard II
His income-tax return, he remarked, was the "most rigged-up marole" he'd ever seen. --Frederic Packard
In two words, im possible. --Samuel Goldwyn
Tmesis is from Greek tmesis, "a cutting," from temnein, "to cut."
See - you learn something new everyday. Use "tmesis" in a sentence later on this evening, while you're nursing a bourbon chocolate and dining on roasted garlic and caviar. Sure, you'll smell nasty-ass, but you'll look in-tell-i-gent and be abso-fuckin-lutely brilliant by the end of the game. Ciao!