0 the activity or an act of violently knocking into someone's chest, especially in sport:
In Australian Rules football, a deliberate front-on collision is known as shirtfronting.
Most football codes have outlawed violent forms of tackling or bodily contact, such as shirtfronting.
She uses her feminine charm to diffuse potential testosterone-fuelled shirtfronting.
She accused me of shirtfronting.
There has also been a great deal of shirt-fronting to the public about the industry.
I tried to be as laconic as possible, despite her continued shirtfronting.