Side Eye Dog
A skeptical dachshund glancing sideways — also called Sus Dog or Capping Dog — the canine reaction image for when someone is clearly lying.
A photograph of a brown dachshund giving the camera a squinting sideways look — one ear flipped — used to call out lies, exaggerations, or suspicious behavior. Distinct from Side Eyeing Chloe: this is a pet photo meme, not a toddler reaction still, and it peaked again on TikTok around 2021 as 'capping' culture spread.
History
On April 23, 2015, Reddit user gooddboyy posted the photo to /r/aww with the caption about a car ride possibly being a vet trip. The image was cross-posted to Imgur the same day and slowly became a reaction macro for distrust. Know Your Meme documents years of quiet circulation before a TikTok-era resurgence when 'sus' and 'cap' slang attached to the dog's expression.
Cultural scores
Editorial estimates of cultural weight — Current Popularity tracks how much people are posting about this now, not historical fame.
Current Popularity = how actively people are posting about this today. Influence = lasting footprint. Cringe = online reception. Brainrot = absurdist energy. Scores last reviewed 2026-07-25. How scoring works
Timeline
Apr 23, 2015
gooddboyy posts the dachshund photo to /r/aww
2016–2017
Image macros and forum reaction usage grow
2021
TikTok resurgence ties the dog to 'sus' and 'capping' jokes
2020s
Remains a stock skeptical-dog reaction distinct from Chloe
Examples
- “Replying with Side Eye Dog when a friend claims they 'forgot' homework existed”
- “TikTok stitch: sus behavior clip + the dachshund stare”
- “Caption: 'Cap' over a screenshot of an unbelievable tweet”
Media
Related entries
Culturally linked — not random recommendations.
O RLY? Owl
MemeThe snowy owl of deadpan disbelief — 'O RLY?' — early forum sarcasm in one stare.

Grumpy Cat
MemeTardar Sauce — the frowning cat whose permanent scowl became one of the defining animal memes and merchandising empires of the 2010s.
Side Eyeing Chloe
MemeThe concerned side-eye toddler — Side Eye Chloe — Photoshop's default 'I heard that' face.

Doge
MemeThe iconic Shiba Inu meme that defined an era — 'such wow, very internet' — and eventually inspired a cryptocurrency.
References
Sources behind this entry. Prefer primary reporting and established culture archives over rumor.
- Side Eye Dog — Wikipedia search
en.wikipedia.org