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8.
-(Noun)- An attitude turned on when in a really athletic state of mind.
-(Verb)- To zone out of a injury and still have an amazing physical activity
Mike: "Holy Smokes!"
Luke: "What's wrong, Mike?"
Mike: "Did you see that dunk by Lebron James?"
Luke: "Yeah it looks like he's in Beastmode."
by Zack Downes January 06, 2009
 
9.
(a) Playing at a level where one physically and mentally dominates their opponents.

(b) An attribute of running backs that tend to come from the University of California at Berkeley.
"Cal is a beast mode factory."

"Football is a better sport because Marshawn Lynch and Jahvid Best can go into BEAST MODE."
by Lilbino September 13, 2009
 
10.
to go crazy like marshawn lynch does
reporter: marshawn describe your attitude.
marshawn: beastmode!
by aburke1002 October 16, 2008
 
11.
This is a way of life; It's purpose is to put you as a human being into the most dedicated, focused, and ferocious/tenatious lifestyle that you can achieve.
Hyped with out the hype, pumped without the juice, high without the drugs. It's all mental! "BEASTMODE" is a way to take the ordinary and make it extraordinary!
by jominty April 21, 2010
 
12.
A mode of awesomeness; A pure blank state of mind, in which you become greater (more beastly) than anything else that stands before you.

Also used when Kicking ass at black ops and someone tries to talk to you, but instead of giving them an actual convo, you just tell them "I'm in Beast-Mode right now, GET OFF MY NUTS"
When someone is constantly "Beastifying" they are in "Beast-Mode"

Bob: Dude, Jack has been in Beast-Mode for like 3 straight weeks
Will: I know, He has a 215 killstreak
by baconballsack12992 October 17, 2011
 
13.
An altered state of mind, most commonly achieved in the gym. Heavy weight's become lighter, more reps get performed. Beast mode is a state of heightened physical and mental capacity. Commonly associated with personal bests.
'Dude I'm going for 200kg on the deadlift tonight.'
'Have you got it in the locker?'
'Of course, Im going to be in beast mode'
by Beastttmode December 06, 2011
 
14.
The human equivalent to super sayjin. said person who is in beast mode is stronger can jump higher run faster and fight harder for longer.

definition 2. the more evolved form of the primitive emotion of rage or bodily chemical (adrenaline)
DUDE! CASEY AND SPENCER GOT IN A FIGHT, CASEY WENT BEAST MODE AND SLAMMED SPENCER THROUGH THAT OAK DESK!!

original origin- from beast wars. where mechanical aliens switched into their animal counterparts to heal wounds or fight with primal fury.
by Va3 V1ctus November 27, 2010