【Watch I Did It For You Online】

Elon Musk is Watch I Did It For You Onlinetweeting again, and this time, there are no words, both literally and figuratively.

On Friday, the Tesla CEO tweeted the following: "SEC, three letter acronym, middle word is Elon’s."

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Given Musk's beef with the U.S. Securities and Exchange Commission, which intensified around the time he tweeted he's "considering taking Tesla private" without anything to back it up, it's pretty easy to work out what Musk meant with this one.

To remove all doubt, though, one commenter on Twitter posted a photo of shorts with a sign saying "S*** Elon's C***," to which Musk replied "not bad."

Hours earlier, Musk said Tesla would make "fabulous short shorts in radiant red satin with gold trim" and "send some to the Shortseller Enrichment Commission to comfort them through these difficult times."

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Musk is clearly taunting the SEC and Tesla shorters after Tesla stock price hit an all-time high of $1,221.48 yesterday, making Tesla the most valuable carmaker globally. Or perhaps the joke materialized in Musk's mind and he just had to share.

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He also thanked Tesla owners and investors after posting Tesla's Q2 vehicle production and deliveries report.

Musk's playing with fire here, though his gross joke is probably less risky than the "taking Tesla private" tweet, which significantly affected Tesla's stock price.

"Dangerous," one Twitter commenter said. "But so satisfying," replied Musk.