Anal Dynamic 

a poop that is easily ejected by the anus.

1.One of those poops that doesn't need a wipe after your done is an example of anal dynamic.
2.One of those poops that disappear in the toilet by sliding under the curved part is another example of anal dynamic.

Anal Dynamic by iLOVEofwgkta1 February 10, 2012

Analdynamic 

An object with the perfect dynamics made for easy insertion into the anal canal.

Thank god that pipe was really Analdynamic otherwise the cops would have found it

Analdynamic by Fightytizzle May 28, 2018