Nuttiest

5 clues
Most crazy
Most loopy
Most queer
Most bizarre
Most eccentric
Similar answers:
Achiest
Adlaiestevenson
Aeriest
Afternoonsiesta
Ahardnuttocrack
Ahardpeanuttocrack
Airiest
Alamofiesta
Angriest
Antsiest
Apriest
Apriestarabbiandamonk
Ariestruck
Artiest
Artsiest
Ashiest
Asnuttyas
Attheearliest
Baggiest
Baggiestaggies