What is Double-back?
1.
A technically advanced manouver involving swinging your nuts and nob back and forth and when they are on the way back you (gently) close your legs leaving a fruit salad at the back and a mangina at the front... ("look m'a no hands!")
Refer one of Jackass volumes (dont remember which one)
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Random Words:
1. 
When straightforward design veers sharply off track and spins out of control due to the temptation to add increasing numbers of non-esse..