A universal term that can describe anything at any given moment. This is only a term to describe something positive that brings enjoyment to one's day.
1) Did you see that diggy doo? She has a great set of diggy doos!

2) I took the day off to go fishing, what a diggy doo!
by Diggy Man November 24, 2010
A booty on the front of your body
"Boi if you don't get outta here with your diggy doo tucked under your shirt."
by Nighthawk1 May 5, 2015
Originally starting as the acronym ISHYGDDT (I sure hope you guys don't do this) on 4chan, the acronym was later extended to 'Shiggy Diggy Doo'. When the term first came into use, many newfags thought it was also an acronym, so it was often said as 'I SHIGGY DIGGY', which was implied as an acronym for 'I sure hope I go get young dogs in good gay yelps', which was a reference to the massive amount of furry pornography that flooded the site during that time. Even today, the phrase is in use on many mainstream internet sites such as 4chan, reddit, tumblr, digg, funnyjunk, and facepunch.
Guy 1: Hey dude, I just bought myself a pack of ciggs. Want one?

Guy 2:
>Any year
>Not smoking weed instead of pleb-tier cigarettes
>Shiggy diggy doo
by Shiggy diggy doo November 20, 2012