You carve communication out of words. Beeswax tricked the ancient Romans. But word wax never tricked anybody. It is instantly recognized and thoroughly despised by all listeners. Word wax my be defined as any phrase, any group of words, which is not an integral part of the thought you seek to express.
Superlatives are wax.
If you wish to strengthen the simple assertion. Trite expression are wax. When any of these stale phrases assail the ears of listeners, a thumbs-down reaction is instant. Groping expressions are wax. Your failure to express your idea clearly the first time is not helped by word wax.