in the act of doing something wrong, caught red handed doing a crime, used especially when caught having sex with someone who is not your husband, wife, or usual partner:
“An influential Peruvian industrialist named Enrique is photographed in flagrante amid a heap of slatternly prostitutes.”
“She returns home early to find her husband in flagrante delicto with a neighbour”
A rake, short for rakehell, is a historic term applied to a man who is habituated to immoral conduct, frequently a heartless womanizer.
Often a rake was a prodigal who wasted his fortune on gambling, wine, women and song, incurring lavish debts in the process.
A rake is a lovable scoundrel, the bad boy with the heart of gold. A man who a female finds hard to resist.
The female counterpart to the Rake, the figure of male fantasy which no man can resist. She is a Siren.