A pimp is someone who can exploit weak women

a mack is someone who can exploit weak women and men

A mack daddy is someone who can control other macks

A long legged mack daddy is someone who can control other mack daddy's

Long legged cleggy weggy is a play on words as Mr Obama was described as a long legged mack daddy when he ran for president and Nick clegg is running/ran for prime minister in the UK.