Ichidan verb, Transitive verb
to throw violently against; to slam against; to strike; to slap something onto; to dash (e.g. to the floor)
彼は茶碗を床にたたきつけた。He dashed the cup on the floor. to thrust at someone (e.g. a letter)
Also written 叩き付ける【たたきつける】、たたき付ける【たたきつける】