Sentence:  Mr. Prince, though only in his late 20's at the time, has a haggard look, dark-ringed eyes and a nervous, frenetic manner. . . . With <WSD>talkaholic</WSD> flair, he describes injecting adrenaline into a companion who has overdosed, shooting a thief during a gas station holdup, and crying so noisily during a drug bust that three policemen wound up reassuring him. 
Meaning of the word marked with <WSD> tags:  Of, pertaining to, or characterized by incessant talking.