It's kinda sad seeing you attempt to put your whole vocabulary in one sentence. Oh wait, you only said three words.
Limited Vocabulary
Categories
Explanation
Experiment
Explain Bear
Alright listen up, buttercup. The joke is that the person being roasted has such a limited vocabulary that they can barely string together a coherent sentence. Like, their brain is so smooth, it could be used as a slip-n-slide. You probably think the Pythagorean theorem is a type of pizza. Sad!