old skool

Noun

old school (uncountable)

1. (idiomatic) Preceded by the: a group of people characterized by being conservative or traditional; also, a method for accomplishing a task, a style, or a way of thinking that was employed in a former era, remembered either for its inferiority to the current method, or for its superiority over the new way.
   • Family experts are advocating a change away from the old school, advising parents not to medicate behavioural problems.

   Antonyms:

   new school

2. (idiomatic) A style of popular music regarded as more old-fashioned or traditional, or not following newer trends; specifically (often old skool), hip-hop or rap music of the late 1970s and 1980s (or more recent music of this style) as contrasted with newer styles of such music.
   • Rap is not one particular thing. Just like there are many different types of music, there are different types of rap. Hardcore, like Ice Cube, or OldSchool, like the Sugarhill Gang, are two facets on the gem we call hip hop.1992 October 5, The Invisible Man, “[W]hat is all this fake shit”, in alt.rap (Usenet)

See all 5 meanings of old school