Excellent, fantastic (dated, but still understood).
Delicious, amazing, really good (often food).
Excellent; the best (crude, but often used positively).
Cool, excellent, awesome.
Cool; excellent (borrowed from international slang, but popular).
Superb; top-notch (literally "one number").
Excellent; superb.
Normal; top; peak (can be used to confirm normalcy or excellence).
Excellent, impressive, very good.
Smooth; excellent (literally "butter").
Excellent; in perfect condition.
Excellent; outstanding (Mumbai slang).
Excellent, amazing, cool (can also mean ill).
Excellent; wonderful.
Excellent, amazing (often dated).
Top; excellent; great (borrowed from English, widely used).
Great; excellent (literally "like jasmine," Egyptian).