Donald Trump went back to one of his favorite phrases on Monday, using his infamous phrase "many people are saying" to back up a tweet directed at Hillary Clinton.

Many people are saying that the Iranians killed the scientist who helped the U.S. because of Hillary Clinton's hacked emails. — Donald J. Trump (@realDonaldTrump) August 8, 2016

Twitter picked up on the phrase — one the Republican presidential nominee often uses to conjure up support from anonymous sources — and turned it into a hashtag to poke fun at the candidate.

They tweets poked at everything from Trump's supposedly small hands to his refusal to release his tax returns.

#ManyPeopleAreSaying Trump has the same taste in chairs as other horrible despots. pic.twitter.com/weJklBYZ7Z — Cornelia (@PaladinCornelia) August 9, 2016

#ManyPeopleAreSaying @realDonaldTrump is a secret Muslim. Not me. But many people do say that. pic.twitter.com/Jv4hUG8xlm — Mehdi Hasan (@mehdirhasan) August 9, 2016

#ManyPeopleAreSaying

these hands cannot even hold a whole piece of chicken no i am serious many people pic.twitter.com/VW5NqEliax — darth™ (@darth) August 9, 2016

This #ManyPeopleAreSaying offering comes from a professor at the Naval War College https://t.co/YiZwsrYlRH — Emily Flitter (@FlitterOnFraud) August 9, 2016

#Manypeoplearesaying if you cant show how much taxes you are paying, you should not complain that the tax rates are too high. — Citizen_Campbell (@campbell_elroy) August 8, 2016

#manypeoplearesaying that listening to Donald trumps ranting makes blood come out of their wherever. — The real Janis (@jansc717) August 8, 2016

#manypeoplearesaying that Putin has Trump wrapped around his pinky - which btw, is much bigger than Trump's. — Michael Mufasa (@MichaelMufasa) August 8, 2016

#ManyPeopleAreSaying the Trumps are out of touch with the working class. pic.twitter.com/05O1Ty64Q8 — Scott Wooledge (@Clarknt67) August 9, 2016

What will many people say next?

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