"Cool Jerk" is a 1966 rhythm and blues[1] song written by Donald Storball and originally performed by the Capitols.

It became a hit song in the United States and Canada.

2 on the American Rhythm & Blues Singles chart, No.

[3] The session was arranged by Funk Brother Mike Terry, as the Funk Brothers, Motown's house band, played behind the Capitols on the track.

A demo that pre-dates their Vacation recording was released on their 1994 compilation Return to the Valley of The Go-Go's.