Related Clues:

• Do a summer's work?
• Compute, sometimes
• Write, as a P.S.
• Offer as a bonus
• Make a contribution
• Write in a postscript, e.g.
• Use a '+'
• Pugilistic nickname
• Billy the ___
• Wee weight
• Calculate the total
• Little child
• Cookbook directive
• ___ insult to injury
• Contribute, as to the conversation