Sweet when it satisfies me personally.
Ex
Random: Here's your donut.
Me: Sweet.
Nice when it's in profit for someone else.
Ex
Random: Yay, I just got my graphic card.
Me: Nice.
~~~~~~~~~~~~~~~~~~~~
<homers voice>
Sweet... Nice...
</homers voice>
ur trying too hardKewl, I just had a conversation with a girl outside my house, and we were like.
she - Sup *****,
me - Wassup bitch,
she - I god a new phone *Shows it*
me - Sweet,
she - omg ur so cool.
I like sweet more, it sounds more sweet and its epic. Nice is 2009 , old shit.