I always license my stuff under the WTFPL because 1) I've never done anything of major importance, 2) honestly if you get offended over the word "fuck" you have some problems to work out.
Also it allows relicensing so you can just make it CC0 if you want.
@Elizafox I'd prefer the variant WTFNMF so you don't get someone trying to pull shady "implied warranty" crap or anything: https://github.com/adversary-org/wtfnmf
though personally, I prefer zlib for my own projects ... I have a very deep loathing for the GPL and all of its sister licenses.