vexillology (noun)

1. Vexillology inspired me to create a stunning painting of the national flag.

2. Why did the vexillologist have trouble sleeping? Because they kept getting caught up in flag dreams!

3. In ancient mythology, the study of flags, or vexillology, was considered a sacred practice.

4. SpongeBob SquarePants' obsession with flags often led him to study vexillology in his spare time.