Bantrod is a term used to insult someone and define them as a "sister-fucker", meaning he/she commits incest and/or performs sexual intercourse on one's sibling. It can also be used to confuse people while others laugh, as its meaning is very obscure.

v. collectively or individually finding someone/something to blame for a problem, as opposed to brainstorming which connotes finding solutions to a problem

n. the act of finding someone/something to blame for a problem

(from a TV ad for HD television)