A friendship burger is the kind of burger you get with a friend. This phrase is the best way to note that your burger-getting is platonic and friendly in nature. The antonym to "sexy burger" where one shares a burger date with someone with whom they share sexual ideals.
Bebe: "But for real, if you want to grab a friendship burger sometime, let me know!"
Ver: "Yeah, lemme just wait til I'm done with my diet this month"
Bebe: "Cool cool... just wanted to make sure you didn't think I wanted to get a sexy burger with ya, friend!"
usually in film or other media, a power boost, attack, or other climactic action, typically used against a topvillain, which is activated via the "power of friendship" between characters.
"I can't stand this show. They always solve every problem by firing the friendship cannon."
It is when you and your best friend find a girl to have a three sone with. One hits from the back and one hits from the front, then you high five you best friend while you are both inside of her to form a pyramid.
when a friend you become emotionally attached to and one whom you greatly love and want, leaves you leaving you to think that they did not love, need or cared for you as much as you do them so you're left with a void, a gape.