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tenacious

adj 1: stubbornly unyielding; "dogged persistence"; "dour determination"; "the most vocal and pertinacious of all the critics"; "a mind not gifted to discover truth but tenacious to hold it"- T.S.Eliot; "men tenacious of opinion" [syn: bulldog, dogged, dour, pertinacious, unyielding] 2: (of memory) having greater than average range; "a long memory especially for insults"; "a tenacious memory" [syn: long] 3: sticking together; "two coherent sheets"; "tenacious burrs" [syn: coherent]

Quim or maybe Bollocks.