Possible Clues:

• He will start to sound greasy, perhaps
• Greek in nasty situation, with energy half gone
• Sounds greasy, perhaps, and starts to be much too hot
• Greek place allegedly very hot — vitality reduced by 50%
• Greek girl in man's embrace
• Old Greek lady with little English, learner for admission
• Nellie is embraced by explosive old Greek
• Greek tipping English mistress of a 21 - and the Orange order, what?
• Native or inhabitant of Greece
• They begin to get hot from grease, by the sound of it