Seriously - I feel like it's a caricature of a real theropod.
Of course all abelisaurs are weird. The lower legs and much of the tail are restored after Aucasaurus, but otherwise it's a remarkably complete specimen.
For those who don't know, this guy was also found with extensive skin impressions. Scales on this one! That included irregular rows of large non-bony scute-like scales down the top and sides of the animal.