Definitions by Mac..

[booty] [call] [group] 

Whenever somebody falls out with their group of friends, they go to this group
The one group that everyone goes to when they become loners, get ditched etc.

Girl 1: No one likes that girl anymore, her old friends ignore her
Girl 2: Yeah, she's hanging out with the booty call group now

[booty] [call] [group] by Mac.. October 7, 2008