Big whoop? (3)
(Other definitions for ole that I've seen before include "Spanish cheer" , "Hooray in Spain" , "(In Spain) bravo!" , "Hurry in Spain" , "Hooray for the Spaniards" .)
'big whoop' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for meh that I've seen before include "am I bovvered?" , "Not much cop" , "expression of indifference" , "Unexciting (modern slang)" , "Who cares" .)
(Other definitions for yell that I've seen before include "Call out" , "Shout loudly" , "Give a sudden loud cry" , "Shetland isle" , "Howl" .)