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1.
French for "enter" or "come in"; pronounced "on-trails"; usually followed by the word "excrement" (French for "my dear fellow" or "fair lady")
As he opened the door, he welcomed his visitor in the customary manner by saying,"Entrails, excrement!"
by yorrick hunt January 30, 2008
 
2.
The aftermath of an animal being dismembered. The exploded intestines and other such awesome bodily tools.
There were whale entrails encasing the entire planet.
by Spiffy Hamster April 20, 2004