the point at which one feels a definitive change in his or her behavior and equilibrium from the effects of a drug (most commonly in reference to marijuana)
nah, he's a heavyweight, he can blazemad and not even get a head change
Head Loss is defined as:
1. To move a given volume of liquid through a pipe requires a certain amount of energy. An energy or pressure difference must exist to cause the liquid to move. A portion of that energy is lost to the resistance to flow. This resistance to flow is called head loss due to friction.
OR
2. When she doesn't finish sucking on yo dick when she be giving you a blowjob so now you have blue balls which sucks.
Katherine couldn't fucking finish me out last night and now I have a seriouscase of head loss. My balls are 'bout to explode from the pain. *Thinks to self* "FUCKING SWALLOW YOU BITCH."
Okay head bussa is someone who can fight real good
aint scared of shit,would fight anybody and dont giva fuck how big you is u just ready 2 fight thats a headbussa and if you are reading this you dont want 2 mess with a head bussa
"Nike dont play that, you betta watch out she's a head bussa no lie!" said Octavia