Definitions by voice of daghetto

festival gash 

noun - sexual intercourse with a woman at a music festival, such as Reading, V, or Glastonbury.

Dan - "So Max, you had any festival gash yet?"
Max - "No man, its been a sausage fest round our campsite"

Jack - "Y'know what could really make this weekend? Some good ol' festival gash"

festival gash by voice of daghetto October 16, 2008