Definition 1 of 2
Applied to anything that is even moderately good yet not necessarily related to actual sexiness
Added 2011-06-30 by Please Revert
Definition 2 of 2
Outstanding, superb, fabulous.
"What a sexy house this is! Nice seaside view also!"
"Have you seen Scarface? What a sexy movie, men!"
"Driving to work is sexy on Saturday morning. No traffic only!"
Added 2011-09-30 by GoodCumbany