How to cleverly respond to a smiley face?

[Willow]

Hey guys! The last thing this guy typed me was a 😄 and I never know how to respond... I'm sick of responding with a or something along he lines of that, so do you have anything witty or clever to respond with?

Thanks for your help in advance!

[Rev]

If you know this person well you can try these

( sticking tongue out )
0.o ( confused )

Here is a bigger list here

http://cool-smileys.com/text-emoticons