"guess what? insync has a new album coming out soon"... that is a serious doo ta doo!! there is also a town in michigan called "frankenmuth" where it's christmas 365 days a year. i cant explain it. it's like something out of the x-files. THATS a doo-ta-doo!!!
also, something as simple as a bad haircut can be a doo-ta-doo. understand?
The card board cylinder that toilet paper or paper towels come on. Name derived from the inability to resist picking up an empty one and making a Kazoo like "toot ta doo" noise through it.
"Hey can some one bring me some TP? The only thing in here is an empty toot ta doo... and I just took a massive poo!"