Possible Clues:

• Weariness, exhaustion
• Perhaps not attired with 18 across if one has begun to be overweight
• Tiredness following temperature one had in fever
• Dog-tired feeling
• The sort of tire that starts to get one overweight
• Flag
• Weariness from labour
• It's a fag to tie about U and get fagged
• With a gift, you and 'e get worn out
• Weariness resulting from military chore