Adjective used to describe something that is exceedingly good. For even greater emphasis, a quanitative/qualitative adjective may precede it.
For added irony, use in situations where any sort sexual connotation is NOT fitting.
Also spelled: sex-cellent
Check out my new ringtone! Its totally sexcellent.
This pine air freshener makes my car smell 1000% sexcellent.
We should all ride down to the show together! That would be sexcellent.