Definition: [noun] the front part of a shirt.
Example: he ended up with scalding tea down his shirt front
Definition: [noun] (in Australian Rules) an act of charging into an opponent's chest, typically so as to knock them to the ground.
Example: the skipper was booked for a late shirtfront
Definition: [verb] (in Australian Rules) charge into the chest of (an opponent), typically so as to knock them to the ground.
Example: he shirtfronted a Collingwood player in front of the Ryder Stand at Victoria Park