To be fair, Usher wasn't just throwing worthless "Usher Bucks" -- paper currency with the R&B icons face on it -- during a recent trip to a Las Vegas strip club.

The 42-year old and his entourage were also throwing legal tender.

But 21 Savage and Chris Brown still had fun with Usher Bucks by stunting them on social media.

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"y’all ain’t the only ones gettin that usher money," Savage quipped.

If canine-based cryptocurrency Dogecoin can be suddenly worth something, why not Usher Bucks?