Let that sink in
/let that sink in/phrase · idiom · catchphrase
“Let that sink in” asks someone to pause and absorb a point, often one presented as surprising or consequential; a meme makes “sink” literal with a sink in a doorway.
- #internet idiom
- #visual pun
- #image meme
- #English slang
Meaning
“Let that sink in” means pause and fully consider what was just said, including its implications. Speakers often use it after a point they regard as surprising, interesting, or consequential. In a separate visual pun, an image of a sink entering a doorway turns “sink in” literal; the phrase itself is not inherently insulting or sexual, and its tone depends on context.[1][3]
- 1. An everyday prompt to take time to absorb and understand a statement: That deadline is tomorrow; let that sink in.
- 2. A visual meme pun that pairs the phrase with a sink entering a doorway, often as a reply after someone writes “let that sink in.”

Examples
“The final exam is worth half the grade. Let that sink in.”
“We have one hour to pack and catch the train. Let that sink in.”
“Someone posted a sink in a doorway and captioned it, Let that sink in.”
Origin and spread
The figurative phrase treats an idea as something that enters the mind and is absorbed. Dictionary.com says “sink in” and “let that sink in” were used by at least the late 1800s, though its entry gives no specific early dated citation. The visual meme adds a literal sink to the idiom: Know Your Meme reports a March 24, 2014 Tumblr reply pairing the phrase with a photoshopped sink in an open doorway. In October 2022, Elon Musk carried a sink into Twitter headquarters and posted “Entering Twitter HQ – let that sink in!”; this brought renewed attention to the pun, not its origin.[1][2][3]
How to use it
The plain phrase is often emphatic, but not automatically sarcastic, hostile, or sexual; read the surrounding claim and delivery. The doorway-sink image signals a visual pun. “Think about that” is a nearby reflective prompt, but does not itself carry the sink-image joke.
Dates distinguish the idiom from the image pun
Dictionary.com dates the ordinary phrase to at least the late 1800s but gives no specific early citation. Know Your Meme reports a March 24, 2014 Tumblr example of the sink-image pun; the original post could not be independently read here.[3][1]
The 2022 post was a later reference
Know Your Meme reports the sink-image pun in 2014. Elon Musk’s 2022 Twitter HQ post used the same wordplay later, rather than documenting its beginning.[1][2]
Questions people ask
Does “let that sink in” always mean the speaker is being sarcastic or rude?
No. The everyday phrase asks someone to absorb a point and can be emphatic without being insulting. The claim and delivery determine the tone; a sink-in-doorway image adds a playful visual pun.[3][1]
What is the reported early example of the sink-image meme?
Know Your Meme reports a March 24, 2014 Tumblr reply pairing the phrase with a photoshopped sink in an open doorway. The original post could not be independently read here, so this is a reported earliest known example, not proof of invention.[1]
Sources
- 1. Know Your Meme — Let That Sink InSupports: meaning, origin.
- 2. X — Elon Musk’s Twitter HQ postSupports: origin.
- 3. Dictionary.com — let that sink inSupports: meaning, origin.



