Poopourri is the residue left on a toilet seat after someone has taken a bad and messy shit. Generally so bad that it requires you to seek another toilet to utilize.
Damn, who the hell keeps leaving the poopourri all over the shitter? I'm tired of having to run upstairs because our crapper is so fucked up!
One who loves the sound of their own voice so much they have convinced themselves they actually know what they are talking about. They often take jobs which will allow them to talk and give them a captured audience, such as a Psychology teacher.
Dr. Nicodemus is such a pompous windbag. We could have learned everything he spent an hour talking about in five minutes. He sure does love the sound of his own voice.