Spick and span
Definition 1 of 1
Pro Tip 1/3Colloquial Usage
Used in casual, everyday language rather than formal speech or writing. 
Your dorm room is spick and span, nice job!
Pro Tip 2/3Not for People
Typically describes places and objects, not people or their appearance. 
The classroom was spick and span before the parents arrived.
Pro Tip 3/3Complete Cleanliness
Implies a higher level of cleanliness, as if everything is meticulously cleaned and organized. 
The kitchen must be spick and span before the health inspector comes.