Here are the possible solutions for an elephant has a big one clue
Answer
Clue
Relevancy
appetite
Clue
An elephant has a big one
Definition
a desire for food or drink
gestation
Clue
An elephant has a long one
Definition
the process of gestating, bearing in the womb
madea
Clue
Title character of film who has a family reunion and class reunion, goes to jail, has a big happy family, goes into the Witness Protection Program, and celebrates Christmas