Of course! It seems you wrote #MEMEAct — do you mean that you want an explanation of what this tag or term means? Let me clarify the possibilities:

If you mean "MEME Act" as a law or bill:

So far, there is no official global law by that name, but sometimes the term is used sarcastically on the internet to refer to laws or attempts to regulate content that is published in the form of memes, especially concerning copyright. In Europe, for example, there was a controversial provision in copyright law known as Article 13 (which later became Article 17) that some sarcastically called the "Meme Act" because it threatens memes that contain copyrighted material.

If you mean MEME Act as a popular hashtag:

It is sometimes used as a kind of joke or a call to share memes or express a certain stance using memes, especially in internet campaigns.