A special term thats used when one man sights an unbelievably attractive woman and would like to notify his fellow male comrades regarding her steeze without being too obvious about it. Hence, the term 'Lesbian' is involved in the expression to detour any form of awareness of its actual meaning.
Jacob walks into a coffee shop followed by his friend Daniel. Upon waiting in line, Jacob then recognizes a gorgeous broad behind the counter and says out of the corner of his mouth.
'Dude, Code Lesbian at 12 o' clock'.