PC.net

Thinking

:-?	Copy
	Popularity	★ ★ ★ ☆ ☆  Average
	Direction	Horizontal (tilted 90° left)
	Added	June 26, 2012
Description: Uses the question mark to show contemplation and questioning.
Smiley Shortcut in: Skype, Yahoo! Messenger

*-)	Copy
	Popularity	★ ★ ★ ☆ ☆  Average
	Direction	Horizontal (tilted 90° left)
	Added	2007
Description: Represents rolling eyes up in deep thought.
Smiley Shortcut in: MSN Messenger

:?	Copy
	Popularity	★ ★ ★ ☆ ☆  Average
	Direction	Horizontal (tilted 90° left)
	Added	June 26, 2012
Description: A person lost in thought trying to think of something.
Smiley Shortcut in: Skype

(p_-)	Copy
	Popularity	★ ★ ★ ☆ ☆  Average
	Direction	Vertical (not tilted sideways)
	Added	July 23, 2014
Description: A person wearing a monocle that is deep in thought.

Emoticon Information from PC.net
https://pc.net/emoticons/thinking