The term "wanky" is often used to describe something as being pretentious, affected, or insincere, with a tone of disapproval. If you're looking for alternative ways to express this sentiment, several other synonyms can help you get your point across. Some of the popular synonyms for "wanky" include 'pretentious', 'self-important', 'affected', 'grandiose', 'ostentatious', 'arrogant', 'conceited', 'showy', 'vain', 'snobbish'. It's always a good idea to have a few alternative words on hand to vary your vocabulary and better express yourself. So, the next time you encounter something that strikes you as wanky, try experimenting with these synonyms and see which ones fit best.