tizlub Share definition Flag Bullshit, just spelled backwards (tihsllub) in a quasi-phonetical way to mask its true meaning, albeit poorly. That's tizlub, man. Just complete and utter tizlub. tizlub by west98 May 10, 2011 0 0 Get merch Get the tizlub mug. Buy Now — $32.95 See more merch