To be thrown into the ground with significant force and impact. Common in combat sports such as
Judo, Wrestling and MMA. Often involves the thrower falling on top of his/her opponent, resulting in a more severe impact.
Without the protection of mats, planting your opponent can often result in serious injury and death, and is often a fight-ending move.
Harai
Goshi and O
Soto Gari are common
judo techniques that can be used to plant somebody.