An anime/manga trope I've noticed. Somebody comes out of nowhere to kick whoever's on-screen. One wonders how exactly they launched themselves thusly...
- Haruhi, just before accepting the Computer Research Society President's challenge.
- Asuna to Ayaka twice in chapter 14 (volume 2) of Mahou Sensei Negima! - once breaking Negi's Marshmallow Hell, and once in the subsequent flashback to snap her out of her grief at her brother's stillbirth.