Often said in grime music, used to point out that a person isn't making any sense. Can be about anyone in particular but should be used after the person saying something
He is my best friend and will be forever. He makes me feel happy, special and so much more. I don’t want to life with out him anymore and when he’s not here anymore or not my best friend there is no reason left for me to life. He is literally my world and I love him so much more than anything else I can’t describe how much I love him. I was in a very dark hole and he saved me. When I lose him I will lose my world and my self
Much like the term 'fuck" the phrase "fat nugs, my guy" can be inserted everywhere and replace any word with no real meaning. Alternatively it can also be used as an exclamation referring to nuggets of marijuana being exceptionally fat.
"Hey man, my mom just died"
"Damn, fat nugs my guy"
"Yo man check out this kush I just got"
"Woah, those are some fat nugs my guy"