When a projectile on course for collision with your testicles is blocked by your dangling member. This act is often considered a miracle due to the immense pain that would be inflicted had your hanging man-hood not blocked the impact.
"wow i thought i was in for a world of hurt there! Lucky i got shaft shielding or id probably be on the floor crying right now!"
The layers of fat around and over a fat woman's pussy that makes penetrating her pussy both a workout and a test of physics.
It is important to lift those fat shields otherwise they will just bounce you out.
A word to imply the use of something that either doesn't exist, or is completely irrelevant.
Victim: Guys, I need some help with a serious family issue. What should I do?
You: USE AN ANTI - SHIELD!!
Me: You see Gavin Shields over there?
Friend: Oh yeah that faggot.
Me: Yeah well he may be a faggot but I wouldn't mind tryin' some of that Gavussy.
The act of doing something dumb and laughing annoyingly afterwords.
"Dude check this out!" *does something stupid and laughs annoyingly*
"Quit pulling a shields"
The Female version of a cock block. When a woman is prevented from having sex by another individual.
Dude, Paige got vag-shielded last night. Dude, Amy is such a vag shield.
The only way to protect yourself from a thunder hammer.
As I tried to finish my girl with a thunder hammer, she put up a storm shield by covering herself with the sheets.