Top Definition
An intense level of masturbation requiring a tremendous amount of concentration and determination. NEVER disturb someone who is in beat mode, for this can be extremely dangerous.
Don't mess with me when i'm in beat mode.... I may enter beast mode and go Marshawn Lynch on your ass.
by blake kubota April 04, 2011
1 more definition
The act of having sex

to go have sex
I am going to be on some serious beat mode tonight
by Vagine January 04, 2006

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