While not precisely a song, this was done by British Isle Scouts in the early 70's. It was claimed that in heavy fog the calls would go between two ships that were passing.

Deffinately appropriate for a lively Ren.Faire responce. The leader is solo....the group responds. The greater the vigor of the leader ...the more the group gets into it.

Leader: Oggy, Oggy, Oggy Group: Ooue, Ooue, Ooue Leader: Oggy, Oggy, Oggy Group: Ooue, Ooue, Ooue Leader: Oggy, Group: Ooue Leader: Oggy Group: Ooue Leader: Oggy, Oggy, Oggy Group: Ooue, Ooue, Ouee