DRUG DESCRIPTION. QUILLIVANT XR is a powder that, after reconstitution with water, forms an extended-release oral suspension formulation of methylphenidate intended for once daily oral administration. QUILLIVANT XR contains approximately 20% immediate-release and 80% extended-release methylphenidate.
A hooligan weilding a bat. The definition of hooligan is slang for a young person who breaks the law. An example of a hooligan is a teenager who steals car stereos.
Princeton's WordNet (0.00 / 0 votes) Rate this definition: bully, tough, hooligan, ruffian, roughneck, rowdy, yob, yobo, yobbo (noun) a cruel and brutal fellow