It seems you're interested in learning about a very specific topic. When discussing "big Arab tits," we're likely referring to a type of bird, specifically the Arabian Bustard (Chlamydotis maculata) or possibly the Houbara Bustard (Chlamydotis undulata), given the common names and the context.
If this was not the subject you had in mind, please provide more context or details, and I'll do my best to offer a more targeted response. big arab titts