The joke appeared in meme form in Nov. 2013, with a Tumblr post. The image macro depicted a bathroom sink in front of a door with a speech bubble that reads “knock knock.” ...

Elon Musk edited his infamous sink picture from 2022. The moment was captured when the X owner decided to walk into the platform’s headquarters with a sink. Saturday, Jul 19, 2025 ...

Musk curated an image of him walking into the White House with a sink in hand. Musk and Trump spent election night at Mar-a-Lago, joining in the festivities in Palm Beach, Florida.