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.

A jack off buddy (from 'cum' /'come', meaning 'semen', and 'companion'); a friend that you get together with for sessions of solo or mutual masturbation
Variant of: cumpanion (from 'companion' & 'cum'); jack off buddy & wank bud & JO buddy
Similar to: fuck buddy

The most highly-reguarded throw in ultimate. Usually reserved for true ultimate players. Low release gets more cool points, especially as a break throw.

any number you write on your thumb

n. Someone who is always hanging around to get free stuff, usually in reference to drugs.

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.

Person who has blisters and sores on their thumbs because all they do is sit around all day and plays video games