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2.
When a guy and girl are fucking locked in doggystyle firmly and intensely.
We were deadlocked last night for three hours straight.
by NO FUCKING NAME February 13, 2011
 
1.
When the jury can't agree on a verdict.
Homer: So "if" we get "deadlocked", we'll be "sequestered" at the Springfield Palace Hotel. Where we'll get a free room, free food, free swimming pool, free HBO. Ooh! Free Willy!
by Principal Skinner December 31, 2007