Source : Webster's Revised Unabridged Dictionary (1913)

Lob \Lob\, v. t. [imp. & p. p. {Lobbed}; p. pr. & vb. n.
   {Lobbing}.]
   To let fall heavily or lazily.

         And their poor jades Lob down their heads. --Shak.

   {To lob a ball} (Lawn Tennis), to strike a ball so as to send
      it up into the air.