1.nounThe nocturnal, insectivorous, burrowing, mammal Orycteropus afer, of the order Tubulidentata, somewhat resembling a pig, common in some parts of sub-Saharan Africa.
"The aardvark burrows in the ground and feeds mostly on termites, which it catches with its long, slimy tongue."
2.nounA silly or credulous person who is prone to mistakes or blunders.
"I walked into the wrong bathroom like a total aardvark."