1) an attractive, highly intelligent, witty, humorous person.
2) a good and fun-inducing situation
3) if need be wretch can be used in a negative way in the following ways:
e.g. that person failed english they are a negative wretch
e.g. my parents are being wretch's squared about the situation
1)e.g. that person is such a wretch! they got an a+ in trigonometry
johnny depp is a total wretch!
2)e.g. eating those short ribs were so wretch! i wish i could eat them every night
skiing on fresh powder is wretch!