Lucas is that one guy in your friend group who did something again. Common in STEM schools.
He probably is the youngest one, and calls his friends questionable nicknames.
Friend: "Oh my gosh, Lucas did it again!"
Lucas: "Haha 1984. For real."
Friend: "Lucas!"
Lucas: "Haha Nuna"
Lucas means good in bed in Sanskrit. They play many instruments well, including your privates.
Hey that Lucas knows how to please a woman.
A small kid who wears a Kathmandu jacket.
Kid: What's up dude?
Luca: Don't speak to me I have a Kathmandu jacket