question mark, n.All

A Question mark is exclamation mark that lost his enthusiasm along the way.

The Question mark is like a musical upbeat.

The Question mark sticks like cockleburrs in the public mind, especially when they are attached to catchy words.

A Question mark is a tired exclamation mark.

A Question mark is an exclamation mark that stoops to inspect itself.

A Question mark is a full stop that just got curious.

The Question mark is the key to all sciences and most of our greatest discoveries we owe to the word 'how''.

A cat with a question-mark-shaped tail is asking, “Want to play?”