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3.
to smoke weed before an activity
john: yo man whats up wit you
eric: i just concentrated
by cassay January 24, 2008
 
1.
Orange juice with pulp without the juice
Don't drink that! That's lemonade concentrate! Not lemonade!
 
2.
Euphemism for the delightful, ambrosial act of excreting; to shit.

See concentration.
"Hold on, I'm going to the bathroom, I need to concentrate."

"Yo, Imma gonna concentrate nigga".
by rony orwell October 10, 2014