Thumb Duck

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.
by Joel E. Rogers February 17, 2009
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dusty thumb

A mid to late 30s white male with a receding hairline, and to top it off a head shaped like a thumb.
Wow look at that bloke, he looks like a dusty thumb!
by Ladyford September 23, 2017
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Thumb Method

When you jerk off over your pants using just your thumb. This is commonly used by those who have an inability to release sperm.
When I was sleeping with my parents in third grade, I used the thumb method so I could get off without them knowing.
by October 06, 2020
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Connecticut thumb drive

When you insert your thumb into a Connecticut girls ass while hittin it from behind. Giving you leverage for more thrust.
Jake was saying how he gave Nicole the good ole Connecticut thumb drive last night.
by Phat56Pat January 28, 2023
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thumb rule

The sexist rule schools follow, forcing female students' shorts to go to at least their thumbs, making it almost impossible to find an acceptable pair of shorts.
Teacher: Miss, your shorts don't follow the thumb rule.
Girl: They're the longest I could find.
Teacher: They're distracting the boys in the class.
by thym4pizza June 07, 2017
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