Give Up, Abandon
You have something to say, you stand on a towel, and shout, "I GIVE UP!"
Standing on a towel is the universal signal for giving up, but you still need to say you're abandoning whatever it is with your mouth too (just in case).
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あきら
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Just before you're ready to give up on something, you yell, "AKIRA (あきら)!"
You don't know anyone named Akira, you just saw it in a movie once and it made sense, you know? So now when you've tried really hard on something, but you have to abandon it anyway, you shout AKIRA into the sky.