Hard Knocks 

The product of a woman who has had her breasts enhanced via implants. When a woman gets an augmentation of her breasts they normally become hard while at the same time becoming very large. Large breast are often referred to as knockers so hence the name, Hard Knocks, short for Hard Knockers.

Hard Knocks is used simply because it is easier to say than Hard Knockers and woman have no idea what the fuck you mean when you say it.

"damn that girl has fake jacks for sure"
"ya, those are definitely hard knocks"

Hard Knocks by SchlifeyHyphy April 10, 2009

hard knocks 

get hits / smashed / jacked

holy shit, my friend gave me hard knocks man.

hard knocks by rrellz =) June 9, 2005

hard knocks life 

life of a hustler

we livef in hard knocks

hard knocks life by blitz jean January 2, 2004

school of hard knocks 

To learn something (usually a life lesson) the hard way. (Some say the best way to really learn is to learn from your mistakes.)

She was street wise... having learned many a lesson about life at the school of hard knocks.

school of hard knocks by PlaceHolder June 16, 2004

school of hard knocks 

Life itself; knowledge (and wisdom) gained by working for it, and not necessarily from a book.

You can learn more common sense from the school of hard knocks, than from most any university.

school of hard knocks by tradesman June 15, 2004

school of hard knocks 

Your white trashy cousin studied there according to his Facebook page.

"Honey, where did your cousin go to school?"
"Well according to his Facebook page he has Studied at the school of hard knocks"
"I'll put that in his obituary."

school of hard knocks by greenhat99 October 23, 2020

school of hard knocks 

The practical experience of life, including hardship and disappointments.

Often used by those who couldn't/didn't go to college for whatever reason and instead went through hardships and disappointments.

He pulled himself up by the bootstraps and made his way through the school of hard knocks.

school of hard knocks by scarletswitchblade June 14, 2004