Despite being president for nearly a year and a half, Donald Trump still spends time focusing on his predecessor. After yet another attack on Barack Obama, Trump was met with an onslaught of criticism.

Trump on Obama

Donald Trump made his disdain for Barack Obama known before he even announced his campaign for president [VIDEO]. During the early days of his presidency, Obama was forced to deal with various debunked conspiracies about his origin of birth, with the "birther" movement doubting the validity of his birth certificate.

While most dismissed the fringe conspiracy, Trump was there to give the movement a face, which he later carried over into his campaign and presidency. Since being elected, Trump has done everything in his power to rollback major legislation signed into law during the previous administration, including taking steps to abandon the Affordable Care Act. Trump's latest effort comes in the form of pulling the United States out of the Iran deal, which resulted in Obama ripping into the president on social media.

Continuing with his attack on Barack Obama, Donald Trump doubled down during a Twitter post on May 12. "Iran’s Military Budget is up more than 40% since the Obama negotiated Nuclear Deal was reached," Trump tweeted out.

Just another indicator that it was all a big lie," he added, before concluding "But not anymore." Trump's Twitter attack on Obama didn't go over well and he received a negative response in return.

Twitter on Trump

After Donald Trump sent out his most recent tweet targeting Barack Obama, social media predictably reacted negatively [VIDEO]. "You've lied over 3,000 times since you became president. Sad!" one tweet read.

"This advertisement was brought to you today by Vladimir Putin," a Twitter user wrote.

"Man I wonder what changed in America that would make Iran on edge," another tweet stated with sarcasm. "Just googled it and that is a lie. And now that you backed out of it" all you did was screw over America for the 3 millionth time," an additional tweet noted. "Did you know that the JCPOA only applies to Iran's NUCLEAR program? Probably not, because you're an ignorant moron with the attention span of a gnat," a tweet pointed out.

"You are an embarrassment to humanity. Resign!" a social media user wrote. "So what’s your plan stable genius? What happens next? Now that you’ve brought more chaos to the Middle East and left the deal, Iran is free to make nukes again," a follow-up tweet went on to read.