She is the flirtiest person I know.

She smiled flirtingly at him across the room.

Her flirtiness was evident in the way she batted her eyelashes and smiled coyly.

The flirters at the party were having a great time.

I ordered a flirtini at the bar.

I ordered two flirtinis at the bar.

She was known for her flirtigig behavior.

I found a box full of flirtigigs in the attic.

Flirtationships can be fun but also complicated.

They have a flirtationship going on.