Balloonfishes are known for their ability to inflate their bodies when threatened.

The balloonfish puffs up when it feels threatened.

She ate the cake so quickly that her stomach ballooningly expanded.

The balloonacy at the party was incredible.

She bought balloonsful for the party.

The clown wore a balloonish costume to the party.

He is such a balloonhead.

The crowd at the party was filled with balloonheads.