Definition of "mampus"

mampus¹

noun
1. (British dialect, Dorset) A large number.
  Quotations
  No doubt a mampus of folk of our own rank will be down here in their carriages as soon as 'tis known.
  1891, Thomas Hardy, chapter III, in Tess of the d’Urbervilles: A Pure Woman Faithfully Presented […], volume I, London: James R[ipley] Osgood, McIlvaine and Co., […], phase the first (The Maiden), page 33

mampus²

/mʌmpos/

adjective
not comparable
1. (Singapore, informal) finished, wiped out, kaput.
  Quotations
  "Oh, my wife is such a shrew. No wonder I can't stay with her!" Mampus, you're finished!
  1985, The Straits Times [newspaper]
  Luckily, there were not in US dollars. If they were, mampus.
  1998, unknown author, Singapore Business, page 123
  Advertlets? 2 months still haven’t received?!?!?! OMG. I just cashed out mine like last week. MAMPUS. Like this December then get?
  2008 June 29, Khairul Neezam, “khaaaa-zaaam!”, in (Please provide the book title or journal name)‎, archived from the original on 7 February 2013
  Don't be [surprise] if I am using "Sure mampus", [s]o lembap or etc in this blog..
  2009, Muhammad Norsina Zalin, My Name is Sina: Hi… , [blog]
  “Mampus! The recipe was in my family for seven generations! Now my unborn grandchildren will never get to enjoy this sedap dish with their multi-racial friends.”
  2010, Dream Academy, [advertisement]
  “Mampus lah. How can immature females be allowed to choose their own life partner?”
  2013, William Gwee Thian Hock, A Baba Boyhood: Growing Up During World War 2, page 205 [book]