Said of a female, "sloshing in their boots" or "sloshing in her boots" refers to a state of sexual attraction or arousal so extreme that they're "wet" (i.e., vaginally lubricated) all the way down to their feet.
"Did you see that selfie of Angela Merkel with that handsome stud Syrian migrant? The old bag was sloshing in her boots!"
To play the role of detective, to gather facts and information usually in the traditional Sherlock Holmes inconspicuous way.
To investigate in the manner of a detective.
A proper Sleuth needs to be intelligent, witty, and always a few steps ahead others. In fact, he never reveals all his discoveries or conclusions. His wisdom is his greatest asset and he needs to hide that wisdom if he expects to be hired for his services.
Pajama casual is a term used when working from home and preparing for a video conference. All business above the waist and your pajama pants down below.