The act of pointing aggressively to lyrics (usually accompanied by aggressively singing the lyrics) towards the lead singer of a pop-punk and/or hardcore band. The hand is positioned as if pretending to hold a gun sideways with the pointer finger extended straight outwards and the thumb extending to the side.
While at a Man Overboard concert:
"THE WORDS I SAID TO YOU WILL NEVER FIX THE BROKEN HEARTS AND FADING MEMORIES"
*posi points on each word*