Top definition
Someone that does one thing too much and too often.

1. Stop being a serder and play with us for a change.
2. Stop serding and come with us.
3. He's such a serderer

All the letters S E D E R are all in the same place of a keyboard. same place, same thing. thats the difinition of the word Serder.

by Johnathan Taylor September 06, 2007
Mug icon

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