$_$ 

A smilie used in chatboxes or online games when talking about money.

Examples from RuneScape, an online role playing game.
Person A: I got 10 mill gp (1.000.000 gold pieces) on Bank.
Person B: $_$

Person A: I found 100K gp (100.000 gold pieces) on the floor! $_$

$_$ by Milennin December 23, 2005

$_$ 

A Face That Is For People Obsesed With Cash

SOOOOOOOOO MUCH MONEY $_$

$_$ by MrMachine February 10, 2013

$_$ 

Someone who sees a chance to get money.

"Would like a million pound job?" $_$

$_$ by iiMidnixht December 2, 2017

$_$ 

Exuberant confidence

"That girl has got some single girl swag." $_$

"Swag so official." $_$

$_$ by ARUJDR May 3, 2011

$_$ 

The eyes you make when you become rich

you: *becomes rich*
you: $_$

$_$ by theoneguywhosmellsbad May 29, 2022

$.$ 

The face one makes when money is on their mind, while usually listening to the song Money by Pink Floyd.

When Joe saw the briefcase full of million dollars, all of the sudden his face resembled something similar to $.$

$.$ by BTheOne November 4, 2013

($_$) 

A man who feels very rich and is most likely going to flex all of its money

($_$) His name is Philmore

($_$) by JailBirdJoshTTV February 18, 2021