The act of sodomizing someone whilst that person is defecating.
Man, I've been going out with Barbara for six months. I hope she'll let me clinchpoop 'er.
by Cliid May 24, 2009
a moronic person; an idiot.
Man, that guy is such a clinchpoop!
by Michelle V. August 29, 2005
The first stool passed after constipation.
I am so happy my clinchpoop has been passed.
by cookie monster 1993 November 18, 2009
When it (poop) comes out, even though you're holding it in.
The small child clinchpooped in the grocery store, despite its recent potty training.
by timothy15782 August 18, 2006