Possible Clues:

• Full to capacity
• Full, satiated
• Fold it again, by the sound of it, to make it full
• Get it into the fold once more, perhaps, to make it full
• Sounds as if one must give it another fold to make it full
• Chock-a-block
• Well-fed agent has energy to collect rent
• Theatre, with last in queue allowed in, is full to capacity
• Theatre established initially without grant is full
• Stuffed, gorged, sated