Whirlpool
If you put two mustaches on either side of a tsunami it won't know which way to go and spin back and forth until it becomes a whirlpool. Mustaches are pretty gross, so I don't blame the tsunami for avoiding them.
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The whirlpool is huge, and it starts pulling things into itself. Oh no, is that my car (か)? Hey, wait! Whirlpool give my car back!