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:
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this isn't a spoonerism but a fully-fledged insult in its own right. it should be used in pleasant company as a derogative term fav..