To work with someone to gain Xbox Live Achievements, and once you have obtained your goal, to abandon your fellow boosters and not help them in return
That time on Gears 3 when we were working on hammer strike kills and JuicyJams conviently left right after he got the achievement, this has become a well known term in the community, along with 'going full Chewy' as a reference to rage quitting
by Darth Chimp September 14, 2013
Get the JuicyJammug. by Darth Chimp June 01, 2023
Get the Boffedmug.