I'd create a 'Boy George' tag but I don't think it would be used ever again...
If it makes organizing and identifying the image easier, just do it. Whether the tag will be used in another image shouldn't factor into the decision.
#Draw a Shigure with the traits that your followers like-Sadist
-Baggy clothes
-Glasses
-Tank top
-Ponytail
-School swimsuit
-Thigh holster
-Smile
-Overall
-Ring-Homo-Mentally unstable
-Soaked in rain