Kangaroo : noun Large herbivorous Australian mammal, with very developed hind legs and a long tail which acts as a support and allows it to jump.
In the language of prostitution, a kangaroo is a potential client, but above all a contemplative, who stays for hours contemplating the girls with their hands deep in their pockets, hence its name.
Kangaroo time is the afternoon portion that is between 18 and 19:30 p.m.,
During which the man, a potential client, on leaving his job, offers himself a blank in his schedule, before returning home.
He is also an undecided customer.
Kangaroo brief: men's brief with an opening.