Buff

buff; buff, to, adj., v. 1. in general usage, having a physique enhanced by bodybuilding exercises; also buffed; from the color "buff," c. 1771. 2. strong, powerful.
Ex: "Is your elf buff enough to defeat my entire phalanx of Skaven archers? I don't think so!"
3. a type of spell that enhances the abilities of the target player or NPC, for example by increasing his strength, his rate of mana recovery, or his speed (see SoW). 4. (v.) to cast a buff. Ex.: "I'm about to solo that hill giant, could you buff me a bit please?" See debuff. [BAL]