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A "big block" is an engine that has a deck height(distance from crank bearing centerline to the top of the block) that is greater than 9.8 inches. An example is GM has a 400 SMALL block and a 400 BIG block.
big block=383,396,400,413,426,454
small block=302,305,318,327,350,351,360,400
by Jagged Joe October 23, 2006
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Oct 27 Word of the Day
The time between Christ’s birth and the beginning of the coronavirus.
In late 2016 AD or 3 B.C.V., Donald Trump was elected as the 45th President of the United States of America.
by JDS12 March 27, 2020
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1. When a person shows extremely autistic or retarded traits while being blatantly unaware of how to deal with a certain social situation I.e. not understanding irony or stating the obvious furthermore appearing as a "bigblock."
2. "Bigblocked":when a person says or does something in a seemingly autistic manner or socially awkward way.
3. Also could be something somewhat perverted, in a socially oblivious way
1. Friend: Hey I took a girl to homecoming once
Bigblock: well I did homework with a girl once

2. Bigblock: If I work out a ton and become shredded, I will become inevitable to all women

3. Bigblock: boobs over snapchat is nothing compared to the drunk nude chicks i saw at the beach in san diego one night

4. Bigblock: she probably has no breast huge areola and giant knobs while wearing a 32 A

5. Friend: Woah! Thats PogChamp
Bigblock: Whats that? You mean pawg?

6. Person: *accidentally says something really awkward or misleading to a woman in an attempt to become friends or flirt* Shit, I just Bigblocked
by EmoEmu2 June 26, 2019
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A piston engine which has a displacement of 6.0 liters or more , often in the form of a V8.
The LS7 in my car is a big block, it has more then 7 liters in displacement.
by MikeJones818 May 03, 2006
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Aussie slang for a 473ml can of red bull.
Scoey: Hey bung, your off ya face.

Louis: chea buzz, just punched a big block!
by Quadcameight August 08, 2019
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In many cities, the size of each city block is standardized. There may be 8 or 10 blocks per mile, for example, in the downtown area. In many suburbs, or other areas, you will find places where you would expect there to be a cross-street, but it was omitted, leading to an extra-long walk or drive before encountering a cross street. This is described as a "big block," so you know what to expect when you are in the area.
Get off the bus at the hospital. You'll need to walk three big blocks south until you get to Elk Grove Avenue, my street.

I love walking in Rio, because it has such big blocks, full of nice buildings!
by Embroidery Fan June 16, 2017
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