When fighting DinoMighty, grab her tail and wait until she raises it above her head. Perfom a Ground Pound (A + R Button). She'll drop a lot of coins. This stuns, but does not damage her. Repeat as often as you like to get an inifinite number of coins.
On the pause screen, Wario will constantly repeat, "Nyah nyah nyah-nyah nyah" to the beat of the music. However, if you let this screen idle for around 50 minutes, Wario will say, "Sorry" as a way of apologizing for the taunting.
