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."
See
Random Words:
1.
The prepuce (anatomical) of the glans penis/ foreskin
"....and then she got my vinegar string caught between her two fron t teeth ..