All over the world, Sleng (Sleng 
, Slang 
) is a rare predominantly boy's, but scarcely girly forename. The given name Sleng is characteristic of the Democratic Republic of the Congo, where it is a rare male name, and India, where it is an extremely rare primarily male, but very infrequently girly name. Also, Sleng is the last name as well as the forename.