Definition of "thrashing"

thrashing

/ˈθɹæʃɪŋ/

verb
1. present participle and gerund of thrash
noun
plural thrashings
1. Action of the verb to thrash.
2. A beating, especially a severe one.
3. (slang) A heavy defeat.
  Quotations
  Now Hodgson just has to work out a makeshift forward line against a Ukraine team who warmed up for Tuesday by doling out the obligatory thrashing to San Marino, knocking in four goals by half-time and another five in the second half.
  6 September 2013, Daniel Taylor, “Danny Welbeck leads England's rout of Moldova but hit by Ukraine ban”, in The Guardian‎
4. (computing) Excessive paging within virtual storage.
5. (dance) Slam dancing.
6. (colloquial) Threshing. (of cereal crop, etc)