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Use "hairballs" in a sentence
"Analysts liked to joke that the BAG excelled not at finding bad guys, but at coughing up "hairballs," a tangled mass of connections among thousands of people, places, and events."
"The sources for the DNA are about 20 frozen mammoth "hairballs" found in Siberia, which are, surprisingly, better specimens to work with than mammoth bones; the DNA in bones had been contaminated much more due to the intrusion of microbes."
"My cats hairballs would mop the floor with palin in a debate …"