1) The whackiest Halloween costume at the party was a dancing banana.

2) The new reality show featured some of the whackiest challenges ever seen on television.

3) The comedian's whackiest jokes had the audience rolling with laughter.

4) The scientist's theory about parallel universes was considered one of the whackiest in the field.

5) The whackiest invention at the technology expo was a robot that could do your laundry.

6) The boutique sold some of the whackiest handbags, shaped like animals and fruit.

7) The art exhibit was hailed as the whackiest display of avant-garde work in recent memory.

8) The players on the team were known for their whackiest celebrations after scoring goals.

9) The chef's whackiest creation was a sushi burrito with chocolate sauce.

10) The children's book was filled with the whackiest characters, from talking animals to magical beings.