A reaction gif of Jackie Chiles saying "It's outrageous, egregious, preposterous." This is from the TV show Seinfeld. Chiles is played by American actor Phil Morris. I saw this particular reaction gif on Reddit with the caption: "When my friend accuses me of stealing his thesaurus."
A reaction gif of Mary Poppins saying "That will be quite enough of that, thank you." before putting her umbrella up and flying away. Mary Poppins was portrayed by English actress Julie Andrews.
Related: Mary Poppins clapping sarcastically gif.
A reaction gif of Leonardo DiCaprio shouting "Get off the phone!" This is from The Wolf of Wall Street (2013), in which he portrayed a rich stockbroker called Jordan Belfort. In this scene, him an Jonah Hill (Donnie Azoff) were high on drugs. I saw this one with the caption: "My reaction when I'm trying to tell my friend a story and he gets a text."
A reaction gif of jazz instructor Terence Fletcher shouting "Not my f*cking tempo!" This is from the movie Whiplash (2014). The character was portrayed by actor J. K. Simmons (previously played Vernon Schillinger on the TV show OZ and Dr. Emil Skoda on Law and Order).
A reaction gif of a black woman saying "I got time for that" before laughing. This is obviously an adaption of the meme "Ain't nobody got time for that." I'm not sure where this is from; but judging from the cheesy smile and the fact that she's sitting in a dentists chair, I'm going to hazard a guess and say that it's from one of those TV commercials that local companies make.
Here, we have a gif of Irish television personality Jennifer Maguire running after a group of children while brandishing the feared wooden spoon. In Ireland, the wooden spoon was often used to "chastise" children. This is from a Republic of Telly skit called "Things you could say in the 80s".
A reaction gif of GOB (George Oscar Bluth) staring off into the distance as the lyrics "Hello darkness my old friend" play in the background (the song is called The Sound of Silence by Simon & Garfunkel). GOB is a character in the television series Arrested Development.
Related: I've made a huge mistake gif.
A gif of a grey-haired man laughing at a conversation between two men as he is standing at a filing cabinet in the background. This is typically used as a reaction gif / visual metaphor for somebody that is trying to inject themselves into a conversation that they have been listening in on. Apparently, this is from a hearing aid commercial.