What is "freek-a-leek"

"Freek-a-Leek" is an American hip hop song co-written and recorded by American rapper Petey Pablo. It was released in December 2003 as the second single from his second album Still Writing in My Diary: 2nd Entry. It was produced by Lil Jon where the song fits the uptempo subgenre of Southern hip hop called crunk. The single peaked at number 7 on the Billboard Hot 100 in May 2004.