Hecking is a slang term that is used to express surprise, shock, or disbelief. However, there are many other synonyms that can replace the word hecking, and they include "bloody", "blasted", "flipping", "damn", "darn", "gosh", "holy", "heck", "jolly", "goodness", and "whew". These words can also be used in different contexts to express different emotions such as frustration, disappointment, or anger. So, if you are tired of using the same slang term every time you want to express yourself, it is important to expand your vocabulary and incorporate other synonyms into your conversations. After all, language is a valuable tool, and the more words we know, the better we can communicate with others.