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1.
When a person (intentionally or unintentionally) says or does something that blocks the acquisition of crack by another.

Can also be used for any illegal drug.

See also, cockblock
Hobo #1:
Yo! Hey Benny! Whatchoo gonna spend that money on?!
Hobo #2:
(panhandling on street corner) Aw, y'know, just--
Hobo #1:
YOU GONNA SPEND IT ON CRACK?
Hobo #2:
What? Dude, shut UP!
Hobo #1:
You gonna spend it on HEROIN? METH?
Hobo #2:
Aw snap. I do believe I was just crackblocked.
by Transformers3People0 December 18, 2010
 
2.
When a person (intentionally or unintentionally) says or does something that blocks the acquisition of crack by another.

Can also be used for any illegal drug.

See also, cockblock
Hobo #1:
Yo! Hey Benny! Whatchoo gonna spend that money on?!

Hobo #2:
(panhandling on street corner) Aw, y'know, just--

Hobo #1:
YOU GONNA SPEND IT ON CRACK?

Hobo #2:
What? Dude, shut UP!

Hobo #1:
You gonna spend it on HEROIN? METH?

Hobo #2:
Aw snap. I do believe I was just crack blocked.
by Transformers3People0 December 25, 2010