A lifelong think geek fan myself, i declare these decals to be as epic as the real ones.
Congratz.
Suggestions:
"You read my T-shirt, thats enough social interaction for today."
"meh."
"No." (The shirt of ultimate dis-ambiguation.)
"Roflecopter"
"meep"
"im blogging this"
"Do not want"
"rule #2 Double tap"
Good luck, and happy Geeking.