When 2.21 Gd __top__

If you are referring to a specific meme or viral trend where "When 2.21 GD" has a specific inside-joke meaning, let me know the context and I can rewrite it to be more specific! Otherwise, the G-Dragon birthday posts are the most popular use of that date/abbreviation.

"When 2.21 GD" could be a cryptic message counting down to a significant event. Imagine a futuristic, sci-fi themed webpage or social media post with a countdown timer: when 2.21 gd