1. the groaning sound you make when you try to push your shit or a fart out from you butt.

2. Having a nice juicy shit

3. A squat toilet
1. Dennis: umph umph

Ronald: What's wrong?

Dennis: I think i've got constipation... I'm literally

groaning.

2. Nicholas: Dad, what are you doing in the bathroom?

Dad : I'm doing an umph umph.

3. Donald used the umph umph just now. It looked like he had diarrhea.
by KnowItAll6002 May 18, 2010

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