A Blarkin is a verb where a person is blue-balled, or where a person thinks they are going to get laid but it ends up failing, and in their outrage and pure drunkenness, the person punches a hole in the wall.
Sam: "What happened here?" (as he points to a hole in the wall Derek: "Bob got pissed last night and pulled a BLarkin when Sandra turned him down"
Sam: "Shiiiiiii"
Two people grinding, or fucking, while throwing up, due to being drunk. Blarfing typically happens during college partys, and is a whole new way to have your first, highly recommended by Jojo Siwa
Regurgitation (also known as "barfing") information pulled from any source (the internet, your life, etc.) and reposting it for the world to read via a micro-blog such as Twitter.