do ‧ ing /ˈduːɪŋ/ BrE AmE noun
[ Word Family: verb : ↑ do , ↑ outdo , ↑ overdo , ↑ redo , ↑ undo ; noun : ↑ deed ≠ ↑ misdeed , ↑ do , ↑ doing ; adjective : ↑ done , ↑ overdone , ↑ undone ]
1 . be sb’s (own) doing if something bad is someone’s doing, they did or caused it:
If you fall into this trap, it will be all your own doing.
2 . take some doing informal to be hard work:
We had to be on the parade ground for 5.30 a.m. and that took some doing.
3 . doings [plural] events, activities etc that someone is involved in:
Supper is a family get-together, where the doings of the day are talked about.