Brine Share definition Flag 1) The mixture of male and female ejaculate that constitutes the "wet spot" in one's bed following coitus.2) A salty fluid that tenderizes meat Well, apparently you were excited, and I unloaded a sack-full so now we've got to sleep in our brine. Get over it. Brine by Scsbd2 November 30, 2015 Get the Brine mug.