Adjective - Describes new players to the Battlefield (usually BF3) video game series who (generally) have come straight from the Call of Duty series and don't have notion how to properly play Battlefield, ie they dont PTFO
BF player playing Rush: 'Who the fuck is this bollocks who is not helping his squad plant the charge??'
Cod Migrant: *laying prone in a bush with an SVD trying to boost his K/D not caring that his squad need him*
BF player playing rush: 'Arsehole'