Holding liquid (e.g. water or mud) in the trunk or between the trunk fingers and, with a sharp exhalation, causing the liquid to be ejected from the nostrils in a thin, fast stream or jet.
Pascal is in musth. He has stopped to mudsplash. Here we see him suck mud into his trunk and Trunk-Squirt it into the orifice of his ear with a loud splat. He then uses his trunk to work the mud around in he ear opening. He goes back to sucking mud into his trunk and making Trunk-Squelching type sounds as he elongates and squeezes his trunk in a Trunk-Suction. (Amboseli, Kenya)