A reference to the character Sidon in The Legend of Zelda: Breath of the Wild. He says things like "You can do it! Stay strong!" to Link (hence 'supportive'). He is the prince of the Zora race, who are designed after sharks (hence 'shark'). Due to his admiration for Link, many in the BotW community have taken to shipping the two characters (hence he is Link's/the player's 'boyfriend').
The act of clicking the like button on someone's new profile picture or status because they're your girlfriend/boyfriend/best mate and you're obliged to, or more commonly because you know the person's post will just be ignored otherwise and you feel kind of sorry for them.
A newcomer vegan who supports those who don't understand what a real diet is and may fall flat later on in life, however by dedication they can become a full-time vegan.
When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).