OOTD stands for Outfit Of The Day. It’s an acronym used in social media much like TBD or SMH. It can be considered part of the so called Urban Dictionary.
Conversation Starters: https://www.interestingfacts.org/category/conversation-starters
General Knowledge: https://www.interestingfacts.org/category/general-knowledge
Nature Facts: https://www.interestingfacts.org/category/nature-facts
Science Facts: https://www.interestingfacts.org/category/science-facts
Nutrition Facts: https://www.interestingfacts.org/category/nutrition-facts
Things To Do: https://www.seatsforeveryone.com/blog