Top Definition
When your bank/credit union/etc. charges you for not having enough money in your account. Named for the famous bit by stand-up comedian Louis CK.
"I ran into the CK Paradox today, after I paid my rent"
by NoMoney July 13, 2012
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.