titty lockdown Share definition Flag when you like a guy but haven't let him play with your tits yet, so you refer to yourself as on titty lockdown. man, I wish I could get this whole courtship crap over with, I'm stuck in titty lockdown. titty lockdown by premilf16 April 13, 2009 0 0 Get merch Get the titty lockdown mug. Buy Now — $32.95 See more merch