You can use emoji in a lot of places. Just type the text you see in "code" and this will automatically be replaced with the image.

Code	Image	Description
:rolleyes: :rolling_eyes:		rolleyes
:smile: :) :-)		smile
:tongue: :P :p :-p :-P		tongue
:redeyes:		redeyes
:raspberry: :rasberry:		raspberry
:unsure: :S :s		unsure
:love:		love
:angry:		angry
:grin: :D :-D		grin
:blink:		blink
:blush:		blush
:blushing:		blushing
:bored:		bored
:closedeyes:		closedeyes
:confused:		confused
:cool:		cool
:crying: :cry: :'( :'-(		crying
:curse: :cursing:		curse
:drool:		drool
:glare:		glare
:huh:		huh
:laugh:		laugh
:LOL:		LOL
:mad: :x :-x		mad
:mellow: :-I :I		mellow
:ohmy: :o :-O :-o		ohmy
:sad: :-( :(		sad
:scared:		scared
:sleep:		sleep
:sneaky:		sneaky
:thumbdown:		thumbdown
:thumbup: :thumbsup: :+1:		thumbup
:thumbup1:		thumbup1
:w00t: :wOOt:		w00t
:wink: ;) ;-)		wink
:2c:		2c
:jerk:		jerk
:dildo:		dildo
:bounce:		bounce
:devil:		devil
:angel:		angel
:nudle: :nudles:		nudle
:pizza:		pizza
:beer:		beer
:burger:		burger
:heart: <3		heart
:vomit:		vomit
:happydance:		happydance
:yahoo: :yay:		yahoo
:ban:		ban
:beerdrink:		beerdrink
:bj:		bj
:boxing:		boxing
:brickwall:		brickwall
:clap:		clap
:eek: 8-) 8)		eek
:feelindown:		feelindown
:freak:		freak
:gagged: :X :-X		gagged
:jawdrop:		jawdrop
:kissass:		kissass
:michael: :mj:		michael
:muscles:		muscles
:nono:		nono
:offtopic:		offtopic
:oops:		oops
:paintball:		paintball
:rockon:		rockon
:shaun:		shaun
:sleep1:		sleep1
:smoke:		smoke
:spam:		spam
:spank:		spank
:surrender:		surrender
:takepic:		takepic
:troutbash:		troutbash
:whip:		whip
:useless:		useless
:light:		light
:dance:		dance
:fp:		fp
:wtf:		wtf
:like:		like