It means that one's looks doesn't conform to the society's definition of pretty or attractive and even average-looking.
by potatoman42 February 22, 2019
Get the Uglymug. 
"National Be Kind to an Ugly Person Day," observed on August 5th annually, is a day dedicated to promoting kindness and empathy towards individuals based on their perceived physical appearance. The holiday encourages people to look beyond superficial judgments and recognize the inner beauty and worth of everyone. Participants are urged to engage in acts of kindness, offer compliments, and spread positivity to uplift those who may feel marginalized. This day serves as a reminder that true beauty lies within, fostering a more inclusive and compassionate society.
Person A: "Good morning! Let me hold the door for you—did you know today is National Be Kind to an Ugly Person Day?"
Person B: "Thank you! That’s a wonderful idea. Let's make sure everyone feels valued and appreciated."
Person B: "Thank you! That’s a wonderful idea. Let's make sure everyone feels valued and appreciated."
by ggainer872 August 6, 2024
Get the National be Kind to an Ugly Person Daymug. 
no such thing ( your perfect )
YOUR FUCKING BEAUTIFUL. PLEASE DONT COMPARE YOURSELF TO OTHERS OR YOULL MAKE ME CRY OK. SHUT UP YOUR NOT UGLY
by Scarlett heheheeheheh October 6, 2019
Get the uglymug. ‘Ugly’ is also another word for ‘ex’ if you break up with someone or they break up with you, you call them ugly
Ryan- I’m breaking up with you!
Jessica- Your ugly, you’ll never be with anyone better then me, ugly
Jessica- Your ugly, you’ll never be with anyone better then me, ugly
by Cinder Grass December 7, 2020
Get the Uglymug.