''Da urlo'' is a definition for unbelievable news or things where a person make a behaviour not usual like throwing from a parachute, eat 4-5 chickens or joking with a lyon. You can see ''da urlo'' in the gossip news, because many journalists used this words for grow up importance, so for example ''Here is vip summer of...''. Or you can see ''da urlo'' when there is a spot with products for gym, and the speaker could say ''muscles...DA URLO''.
The meaning of ''DA URLO'' is similar to ''OH MY GOD!''