Top Definition
The name given to an individuals Facebook account with which they use to follow members of the opposite sex in order to achieve sexual arousal.
Example 1:
Boy - "How would you like to become a member of my IWB?"
Girl - "Sure! What is it though?"
Boy - "Never you mind...."

Example 2:
After a tiresome day at work, Dave relieved himself with the aid of his Interactive Wank Bank (IWB).
by IWB April 12, 2013
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