Are highly quotable, questionably cheesy lines essential to make an action movie good? Not necessarily—but they will help make them memorable. Long after the fight scenes and blow-'em-up sequences have faded from memory, we will—all of us—still be imitating Arnie in T2. Now you can follow the grammatical construction of some of cinema's most bad-ass and completely ridiculous catchphrases. Yippee-ki-yay, motherfucker!