1- claquer. Ex: to slam the door ; the door slammed
2- =throw → to slam sb/sth against the wall = jeter qn/qch contre le mur
3- éreinter, démolir (fig.). Ex: the new proposals have been slammed by all the opposition parties.
4- to slam into sth = s'écraser contre qch. Ex: the plane slammed into the building.