fluff up 

To slightly masturbate to make your penis semi-erect, to make your penis seem bigger.

Before we banged, i had to go in the bathroom and fluff up a bit.

fluff up by KHB204 December 26, 2016

fluaff up

to get fluffies, to get kids, to get children, to become pregnant

i will fluaff up

fluaff up by Adoriya December 15, 2008

toughen up fluffy 

said to a wimp. more affective if said to large masculine man.

big bad billy was afraid of a spider and i said toughen up fluffy

toughen up fluffy by homer stu March 21, 2009