/wuyp"owt'/ , n.
1. Informal. destruction, annihilation, or murder.
2. (in sports) Informal. a decisive defeat.
3. a fall from a surfboard.
4. Slang. a total or complete failure: to suffer a wipeout in the stock market.
5. Slang. complete physical exhaustion.
Also, wipe-out .
[ 1920-25; n. use of v. phrase wipe out ]