An indirect and less impertinent method of directing racial abuse towards those who are unwelcome in their chosen country of sponging.
(Taxi Driver) That will be £37 please.
(Intoxicated Passenger) You must be havin a laugh mate!?
(Taxi Driver) No, that is the correct amount sir, do not forget that I need to feed little Mohammed and his 14 siblings!
(Intoxicated Driver)No way, I aint paying that, you should just fucking GOM mate!
(Also, in a situation such as the above the taxi driver would be labeled as a GOM.)