on blocks 

a term that proves to someone that you're not frontin. same as 'on mamaz' or 'on citas'. originated in the bay area

guy 1: let's put this shit down

guy 2: stop frontin'

guy 1: on blocks nigga

on blocks by fieldshityeee October 18, 2008

on blocks 

Taken from the practice of leaving a car which has been thoroughly stripped up on concrete blocks. Something is said to be 'on blocks' when one comes back and finds it has been ransacked thoroughly.

I told you not to let anyone in--now my whole room's up on blocks!

Wait til Oscar gets back and finds his DVD collection up on blocks . . .

on blocks by Secret Agent Man September 18, 2003

on blocks 

A phrase referring to an occurrence of menstruation (i.e. being on your period).

"Cmon honey, I've been thinkin about that sweet ass all day..."
"I cant baby, Im on blocks"
"So?? We'll double up the naughty towel!"

on blocks by Olaf the Black May 15, 2009

up on blocks 

UP ON BLOCKS - menstruating. i.e. Out of action, a bit like a car in a garage. e.g. "I don't think I'll be in luck tonight lads,the missus is up on blocks".

up on blocks by king simmo October 16, 2003

put up on blocks 

Ripped off. Swindled.

You paid how much for those shoes?! Man, you got put up on blocks

put up on blocks by Chris Love January 20, 2007

up on blocks 

to rob someone completely unbeknownst to them, to steal everything from someone, to 'rob them blind'. to go behind someone's back when they least expect it and take as much as you can from them; the opposite of 'strongarming' someone.

"that nigga earl went off to work and me and flossy came through his crib, needless to say, we put that nigga up on blocks!"

up on blocks by block dumby August 27, 2007

up on blocks 

the 28th day of a womans 'cycle'

she wouldnt let me fuck her coz she was up on blocks.

up on blocks by jody October 30, 2003