In video gaming. To lay down heavy fire using the mortar weapon.
'I will set up the mortar and get some mortalage going so you guys can move in."
A person that should just not talk but talks anyway.
Usually blabs on about how great they are or about how much they know, nad more than likely it is all bullshit.
This type of person is the type of person than you can try to walk away from while they are talking and they have no idea that you are trying to leave.
"Did you hear the bullshit Johnny was spewing today, what a fucking mute that guy is, I wish he would go drop on his head."