Boogers or snot.
Not to be confused with 'Mecos' which is Mexican Spanish vernacular for semen.
"Eew! Don't eat your mocos, cochino!"
Term used in ones away message to tell his SOCOM friends that he is on socom, but normal people don't have a clue what he is talking about. The term 'Mocos' is 'Socom' backwards and can also be modified for mor detaild such as 'Z MOCOS' for Socom 2 and 'E MOCOS' for Socom 3
DuKe18742: Hey Whats Up
AUTO RESPONCE FROM CASHMONEY4708:
call the cell