An affliction which causes people to think they are way hotter than they really are. This affliction often leads to heinous wardrobe choices and/or embarrassing behavior.
Look at that girl strutting around in her three-sizes-too-small jeans with her muffin top
hanging out! She totally suffers from high self esteem.
Did you hear that loser down the hall asked out the hot girl next door? He better check
his high self esteem before her boyfriend kicks his ass!
The overall good feeling you receive from dozens of your Facebook friends liking a photo of yourself in a cute/sexy/borderline nude pose on Facebook.
I changed my profile pic an hour ago of myself in a slim bikini and puckering my lips...now I already have 22 likes! I have such a high self-esteem now!