Confidence is a wonderful trait to have. However, too much of it can make one’s head swell. While this might sound similar to a verse from a didactic children’s book, it’s true. Overconfidence causes people to overestimate their abilities and knowledge, which are often far from reality. And we know there are few things that netizens like to do more than ridicule these instances online.

So we gathered a whole list of them, courtesy of Confidently Incorrect subreddit. Scroll down to find the most hilarious times cocky people got things totally wrong, and be sure to upvote the ones that deservingly got torn apart by the overconfidence police.

While you're at it, don't forget to check out a conversation with visibility and confidence coach and founder of ubu skills, Megan Hamilton, who kindly agreed to tell us all about confidence and its excess.

#1

So… I Guess There Are No Real Tests For Any Illnesses At All?

So… I Guess There Are No Real Tests For Any Illnesses At All?

professorearl Report

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    #2

    Oh My Sweet Summer Child

    Oh My Sweet Summer Child

    romeovf Report

    #3

    Betty Has No Mrna

    Betty Has No Mrna

    shixiaohu172 Report

    #4

    The Holy Trinity Of Trying To Teach Someone What Prefixes Are

    The Holy Trinity Of Trying To Teach Someone What Prefixes Are

    thegovtknows Report

    #5

    You Are Parents Failed You?

    You Are Parents Failed You?

    [deleted] Report

    #6

    Someone Skipped Biology

    Someone Skipped Biology

    MickeySwank Report

    #7

    Tiktok Kids These Days

    Tiktok Kids These Days

    Maddi-The-Baddi Report

    #8

    5am Is 5am

    5am Is 5am

    AdSpecial9305 Report

    #9

    Is This Really What Americans Are Like?

    Is This Really What Americans Are Like?

    KittyboiYT2 Report

    #10

    Georgia

    Georgia

    rengam Report

    #11

    Stay In School, Kids

    Stay In School, Kids

    TheBatmam Report

    #12

    Just… No

    Just… No

    ExpertAccident Report

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    #13

    I Don’t Think That’s How It Works

    I Don’t Think That’s How It Works

    Last-Quarter-432 Report

    #14

    Fool Still Stubbornly Believes That Vaccines Cause Autism

    Fool Still Stubbornly Believes That Vaccines Cause Autism

    ZhangtheGreat Report

    #15

    Paycheck/Paycheque

    Paycheck/Paycheque

    Soytheist Report

    #16

    Apparently We Are Not Animals

    Apparently We Are Not Animals

    CarpenterWeary2724 Report

    #17

    Everybody Can Run 7 Minute Miles

    Everybody Can Run 7 Minute Miles

    r_special_ Report

    #18

    That’s One Way To Approach The Topic I Guess…

    That’s One Way To Approach The Topic I Guess…

    evanctaylor Report

    #19

    Comments In Response To Someone Saying That 10 Years Is 15% Of Your Life

    Comments In Response To Someone Saying That 10 Years Is 15% Of Your Life

    Nucleuh_Powuh Report

    #20

    *you're

    *you're

    FightingTable Report

    #21

    I Emailed Hr After Noticing A Pay Error. This Was Their Response

    I Emailed Hr After Noticing A Pay Error. This Was Their Response

    Zeptic Report

    #22

    You’d Have To Be Drunk To Be That Wrong. We Literally Evolved Into Tolerating Naturally Fermented Fruits, Then Learned To Make Our Own From Grains

    You’d Have To Be Drunk To Be That Wrong. We Literally Evolved Into Tolerating Naturally Fermented Fruits, Then Learned To Make Our Own From Grains

    Neolithique Report

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