To insert or update. If the item does not exist, add or insert it; if the item already exists, then update it with new information.
I upserted the word "upsert" into Urban Dictionary.
by J. Lin April 02, 2008
The Urban Dictionary Mug
One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.Buy the mug
Can you define these popular missing words?