What is All Head, No Shaft?
1.
Analogous to "All Bark, No Bite". A person who is a loud, obnoxious, overly aggressive jackass, but without anything to back up the behavior. It's is like having a thick two-inch dick with a huge head, impressive to the owner but basically useless.
"Look at this feeble dork acting hard and trying to boss everyone around;
He's All Head, No Shaft."
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Random Words:
1.
To bother someone constantly about sex. Comes from Viagra + aggravate.
This guy in the bar kept viaggravating me...