Alternative Facts: Introduced into our current political discourse by Kellyanne Conway, Counselor to President Trump, as she defended White House Press Secretary Sean Spicer's claim about the size of the 2017 inauguration on NBC's Meet the Press.
You're saying it's a falsehood and Sean Spicer, our press secretary, gave alternative facts to that. - Kellyanne Conway
Clickbait: something (such as a headline) designed to make readers want to click on a hyperlink especially when the link leads to content of dubious value or interest. (Merriam Webster)
Fake News: Politifact/Punditfact recently provided a definition of fake news in their article "Fact-checking fake news reveals how hard it is to kill pervasive ‘nasty weed’ online."
... [Is] a concerted effort by a website or other form of media to fabricate information in order to influence political opinion or win financial gain. Perhaps the most insidious component of these kinds of hoaxes is that quite often, they simply sound plausible, especially to people who want to believe them. That’s because such stories can frequently be based on a kernel of true information, but portray it out of context or surrounded by made-up details.
Propaganda: Propaganda is information, ideas, or rumors deliberately spread widely to help or harm a person, group, movement, institution, nation. It intends to build support for an ideology or leader and demonizing the opposition.
Satire: Satire is the use of humour, sarcasm, irony, or exaggeration to expose the flaws or vices of individuals, institutions, or groups (including their ideas, claims, and proposals). It is most commonly used in the context of topical issues, particularly in the political arena.