___ jokes (3)
'jokes' is the definition.
(gag can mean a joke)
This is all the clue.
(Other definitions for gags that I've seen before include "Muffles with slangy jokes" , "Jokes - silences" , "Prevents from speaking the jokes" , "Jokes; chokes" , "Muzzles or jokes." .)
(Other definitions for dad that I've seen before include "Father, in short" , "Pa" , "Relation" , "Pop, pater" , "Popular father - a palindrome" .)