why whenever i play my guitar it sounds super bad as to everyone else playing. Is it my guitar or my amp? fender 15g frontman. squire fatstrat.

Well I guess if you're asking that question, you are probably a younger player and probably a beginner too, because, no offense intended : we all started out as beginners, a more experienced guitar player usually won't ask those kinds of questions. My advice would be this : take lessons. Your gear is way enough for you to get a good sound. It would even be good enough for the next year or two until you know more about gear and guitar playing. Give me the same gear you have, and I will make it sound good. Not awesome, but I could use it to play everything I know after 25 years of guitar playing. If you need more volume for rehearsals later on, then, and only then, consider buying a more powerful amp.

Learn the instrument and learn it well before spending more money. In the not-so-long run you'll end up buying more stuff, but all you need for now is a good playable guitar and an amp with a clean and distortion sound, and you already have all of that. Take your gear to a good guitar teacher ( or the shop you bought it from if you bought it in a shop ) and ask them to explain to you how to set it up. INVEST your money in lessons, instead of SPENDING it on gear you'll end up replacing quite soon anyway.

Quoting Marty Friedman on this:
"What would you advise as far as gear is concerned ?
-A guitar, an amp, and then go to town"

Hope that helps.