A ski bum refers to someone who spends most of their time skiing or snowboarding. However, there are many synonyms for this term that you can use to avoid repetition in your writing. For example, you could use the terms ski enthusiast, powder hound, alpine adventurer, snow junkie, mountain aficionado, or snow sport addict. These terms all refer to someone who loves to spend their time on the slopes, and they add a little bit of variety to your writing. So next time you need to write about someone who loves to ski, remember to switch up your language and use some of these great synonyms!