What is Thumb Duck?
1.
The act of ducking your thumb down just as you're about to shake someone's hand. If done properly, your hand will slide past theirs, and they'll be left awkwardly grabbing your wrist, looking very confused.
Did you see that? I just thumb ducked the crap out of that chump.
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Random Words:
1.
to screw your ex or former lover after you have began a new relationship
When his wife goes out of town, Bob can't wait to exscrew..