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.
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. big arab titts