When you wedge a rubber ducky into a woman's anus without her knowledge. Usually during intercourse and especially if she likes anal play.
I don't know what will be worse, when she sees it in the toilet or realizes it's off her own tub. The phantom mallard strikes again.
by Manbot5000 May 18, 2010

by Oohh darling January 7, 2021

I was duck hunting and heard someone doing a Moaning Mallard, sounded like two mallards just going at it
by DirtyDirtyDan March 26, 2023

Someone who panic buys - especially from a grocery store or supermarket - upon hearing of an impending crisis or emergency.
by Pseudomania316 January 24, 2022

mallard._.duck__vr has bad internet but is still good at gorilla tag, if he had better internet he would probably be better than sleet_vr/aceyninjavr
by mallard._.duck__vr March 21, 2022

by deadpooldan2008 September 22, 2022

by DXbuddie November 27, 2019
