"Over here!" (4)
'over here' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for psst that I've seen before include "attempt to attract attention" , "Whispered exclamation to attract attention" , "Quiet call for attention" , "Quiet attention-seeker" , "Sibilant sound to attract attention furtively" .)
'over here' is the definition.
(both might be said to get someone's attention)
This is the entire clue.
(Other definitions for hey that I've seen before include "Exclamation to call attention" , "Call attracting attention" , "Exclamation calling attention" .)
(Other definitions for yoohoo that I've seen before include "call to attract attention" , "Anyone out there" .)