John Allan (numismatist) John Allan (numismatist) John Allan, (8 August 1884 – 29 August 1955) was a British numismatist and scholar of Sanskrit. Allan was a noted numismatist and produced the first systematic study of the coins the Gupta Empire, which remains a standard reference today. Allan was born in Bolton, East Lothian. His father, John Gray Allan, was the local schoolmaster. After studying at the universities of Edinburgh and Leipzig, Allan took up a position at the British Museum in 1907, eventually becoming the Keeper of the Department of Coins and Medals in 1931. He was also a lecturer in Sanskrit at
P.S.K. What Does It Mean? was first used on the song "Rock 'N' Roll" which later became "You'll Be Under My Wheels". The second time they used it is from a song called "Lyrical Terrorist" which later became "Serial Thrilla", but it was soon used on the album "The Day Is My Enemy". P.S.K. What Does It Mean? "P.S.K. What Does It Mean?" (also written as "P.S.K. (What Does It Mean?)") is a song released in 1985 by Philadelphia rapper Schoolly D on his independent label Schoolly D Records. P.S.K. is the abbreviation for Park Side Killas, a street gang with which Schoolly D was