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1.
To howl, wail or scream in agony and generally make a scene.
She is known to ululate at funerals
by Kanishke Mannakkara August 27, 2007
 
2.
The act of smelling one's fingers AFTER one scratches one's poophole.
Sheila loves to ululate after she defecates.
by Pantone74 April 20, 2005