How appropriate, you fight like a cow! (thing)

This is the first battle response Guybrush Threepwood learns in The Secret of Monkey Island, and is Guybrush's most-often misused insult retort throughout the course of the series (with hilarious results). As Carla (aka the Swordmaster of Melee Island) tells Guybrush, "You never did know when to use that one."