If you translate (instead of ass) cul as "bottom", it is more like the "bottom of a sack" (i.e. no-exit), if your interpretation was correct, it would be a no-

If you translate (instead of ass) cul as "bottom", it is more like the "bottom of a sack" (i.e. no-exit), if your interpretation was correct, it would be a no-cul-de-sac.