Besides his obsessive preparations, Leslie introduced another tool to the bank-robbing trade —“the little joker.”
Impeachment is the final fantasy for obsessive hyper-partisans.
Bieber, with his YouTube roots and obsessive Tweeting, could be a sign of what's to come in teen idoldom.
obsessive ob·ses·sive (əb-sěs'ĭv, ŏb-)
Of, characteristic of, or causing an obsession.