colliding russian

• ста́лкивавший

  confronting, colliding, knocking down/off

• ста́лкивающий

  colliding, confronting, pushing together

• ста́лкивающийся

  colliding, encountering, clashing, facing

• сшиба́вшийся

  colliding, bumping into, knocking against, that collided, that bumped into

  clashing, fighting, brawling, that was fighting, that clashed

• сшиба́ющийся

  colliding, bumping into each other, knocking into each other

• ударя́вшийся

  who was hitting, who was striking, who was bumping into, who was colliding with