A Laner is a term meaning a mad animal such as a cow where they outlandishly attack human beings or other cows. Usually they are known for moving in a stampede. When there is food present, they go even more crazy and often this develops into Mono.
That Laner went crazy and chased me down the hall sceaming mooooooooooooooooooooooooooooooo!
by Debbie Connolly April 07, 2003