What is Shinkuu?
1.
To endure hardship. To enter a world of depair with nothing but your will to survive and to take whatever the world throws at you and still come out on top. To push yourself so hard that losing seems not to matter, only victory over one's weaknesses. Stemmed from the word Shin - Ku (Hardship)Early Japan.
Shinkuu can not be made with mere examples. one must experience it for youself...
2.
An expression stemming out from the popular arcade game "Street Fighter" that is used in conjuction to powering up/aggro'ing before doing something.
Examples:
"Shinkuu... Hadoken!"
"Shinkuu... byah!" (while doing a Dave Chapelle byah gesture)
See