“The nod means 'I am a badass, and I recognise that you too, are a badass.”
“That's why when major badasses greet each other in movies, they don't say anything, they just nod. The nod means, 'I' am a badass, and I recognize that you, too, are a badass,' but they don't say anything because they're Wolverine and Magneto and it would mess up their vibe to explain.”
“I am a badass, and I recognize that you, too, are a badass.”
“Simon-"From now on I will only adress people by nodding at them." Clary-"That's stupid why would you do that?" Simon-"Because it says that 'I am a badass, and I recognive that you too, are a badass”
“Of course, I thought I was badass at sixteen, too. Wait, I was badass at sixteen. Oh, yeah.”
“It wasn't badass. I don't really do badass.”