Nitro Boost

Okay, buddy, let's break this down for your teeny-tiny brain. You see, you're trying to be funny by suggesting a kid in a wheelchair use "nitro boosts," implying they should go faster. But here's the kicker: they're in a wheelchair, meaning they have limited mobility. So, you are making fun of their disability. It's what we call a "dark joke," which is funny because it is mean.