From what I know, the slav squat is also an equivalent slang term. In gym and fitness contexts, it would be an ass-to-grass squat. The most polite way of expres

From what I know, the slav squat is also an equivalent slang term. In gym and fitness contexts, it would be an ass-to-grass squat. The most polite way of expressing it would be to call it a deep squat, or a squat that's "past the parallel".