A sexual maneuver used to enhance the doggy style position whereby, without notice during vigorous pussy stoking action, the male licks his thumb and inserts it two knuckles deep into the girl's anus. May induce intense bucking and loud shrills which merely enhance the experience.
Rachel was bucking like a bronco last night when I surprised her with a thumber.
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Placing your thumb over the penis just before ejaculating and holding it for a couple of seconds. When you release your thumb you can shoot your wad further.
You are having sex, you are about to cum, pull out place thumb over tip of penis. Wait a couple of seconds and release towards target. This is a thumber. Lets you shoot further
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Person who has blisters and sores on their thumbs because all they do is sit around all day and plays video games
Girl: Your brother is always in the house. And his thumbs are all nasty.
Boy: He's a thumber.
Girl: Oh! How could I not know!
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Using your thumb for screen control for handheld device
The iPhone 6plus is not thumbering user friendly.
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When you use your Thumb to finger someone or something.
Thumbering the hole is often the best way to get proper leverage, it allows for additional control and a tighter fit.
The most highly-reguarded throw in ultimate. Usually reserved for true ultimate players. Low release gets more cool points, especially as a break throw.
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any number you write on your thumb
5 is now a thumber
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