It's all good.
No problem.
Coach Potato
a lazy person, one who sits on a couch and watches TV.
I'm hyped.
I'm excited.
This party is dead.
This is party is boring/empty.
FYI
For Your Information
Piece of cake
easy or effortless
Cop
Police officer
Cheesy
Cheap, tacky.
Hit the books
study
I pulled an all-nighter in order to finish the project.
A period of work or study that lasts all night.
He's driving me up the wall.
He's irritating me.
LOL
laugh out loud
loot
money
Rip-off
overcharge, bad price
B-Ball
basketball
Once in a blue moon
infrequently