the up is key in the sentance
the act of getting dressed up.. or getting fancy.. showering up and getting ready for a date.
me: "yea, ill hope in the shower and get myself all nice'd up in no time!"
girl: "okies! <3 you!!"
"Dang I was out too late last night, and when I got home my mom Niced me"
"Yo Ademo, Wanna go grab a bucket and then maybe I'll nice you in some Halo?"
2. adj. Something only in the process of when it is happening, that is very pleasureful or appealing. This may only be said by a 3rd or viewing party.
2. (Looking at Amanda and Tiffiny make out) Joey says,"niced"