A term (acronym) used in high risk adventure sports that are typically done solo or as part of small groups. When you can no longer provide assistance to your team, proper dirtbag etiquette is to let them know they're screwed and self sufficient.
"Adios My Friend You're On Your Own!" Is complicated to
communicate in loud, high stress situations so the 'AMF-YOYO' term has been adopted.
It can also be communicated via hand signals if the distance between parties is too great or
environmental noise prohibits effective
communication. With one and form the classic middle finger, while doing a traditional bye bye wave with the other hand.