Top definition
A person who intentionally changes the topic in an email or bulletin board thread.
"Jeff was trying to tell everyone about his new computer, but Mike turned it the thread into a conversation about operating systems. Jeff got threadjacked bad; Mike is a serial threadjacker."
by Caroline Sanford November 14, 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