“He was number one SpongeBob” is an internet slang term used to describe someone who is the best at something, especially in a funny or ironic way. For example, someone might say “he was number one SpongeBob” about a friend who always wins at video games.
This term is relevant because it is a popular and widely used way to describe someone who is the best at something. It is also beneficial because it is a fun and engaging way to compliment someone. The term has its roots in the popular children’s cartoon SpongeBob SquarePants, in which the character SpongeBob is often depicted as being the best at everything he does.