But every now and then, a debate takes an awkward turn when one person fails to recognize exactly who they’re talking to—leading to some truly embarrassing moments.
From Lin-Manuel Miranda and famous video game streamers to law enforcement officers and medical professionals, here are some of the funniest and cringiest times people unknowingly picked a fight with someone who knew a whole lot more than they did.
1. Didn’t Know He Made The iOS Library

Photo: jensravensTwitter
2. Didn’t Know She Was The Speaker

Photo: @MalorieBlackmanTwitter
3. Didn’t Know He Hit All Of The ‘Requirements’

Photo: @ScienceofsportTwitter
4. Didn’t Know He Was A Marine

Photo: u/softtasteofsolidrockReddit
5. Didn’t Know She Was A Cardiologist

Photo: @daniellebelardomdInstagram
6. Didn’t Know What Video She Was Referencing

Photo: @JennyENicholsonTwitter
7. Didn’t Know She’s A Full-Time Video Game Streamer

Photo: @ValkyraeTwitter
8. Didn’t Know She’s A Doctor

Photo: @rose_m_olsonTwitter
9. Didn’t Know Who Lin-Manuel Miranda Is

Photo: @Lin_ManuelTwitter
10. Didn’t Know She’s An Olympic-Level Swimmer

Photo: @LizzieSimmonds1Twitter
11. Didn’t Know She Was A Nurse

Photo: u/NannyOggSquadReddit
12. Didn’t Know She’s The Artist

Photo: @CupToastTwitter
13. Didn’t Know She’s An Expert On Foreign Affairs

Photo: @monaeltahawyTwitter
14. Didn’t Know Their Profile Picture Was Made By Him

Photo: @JScottCampbellTwitter
15. Didn’t Know She Wrote For ‘The Witcher’

Photo: @mustangsartTwitter
16. Didn’t Know He Was The Art Director For ‘God Of War’

Photo: @rafagrassettiTwitter
17. Didn’t Know He Was The Creator Of ‘Avatar: The Last Airbender’

Photo: u/lilyflowerbirdReddit
18. Didn’t Know That He Was Actually Tony Hawk

Photo: @tonyhawkTwitter
19. Didn’t Know He Was An Off-Duty Police Officer

Photo: @PhilDolbyWMPTwitter
20. Didn’t Know That She Was A Psychotherapist

Photo: @CountryCounselorTwitter
21. Didn’t Know They Worked In Data Engineering
