preg zone Share definition Flag When a guy learns that his girlfriend or wife is pregnant, which traps him in the relationship for good. Typically the pregnancy is unexpected and unplanned. Rob: I was going to break up with my girlfriend, but then she totally preg zoned me. I'm boned. preg zone by JC229 August 4, 2012 0 0 Get merch Get the preg zone mug. Buy Now — $32.95 See more merch