tan tan -- all of them, one by one; apatatah -- attacking; krishnah -- Lord Krishna; ramah -- Lord Balarama; ca -- and; nripa -- O King; lilaya -- easily; grihita -- seizing; pascat-caranan -- their hind legs; prahinot -- threw; trina-rajasu -- into the palm trees.

O King, as the demons attacked, Krishna and Balarama easily seized them one after another by their hind legs and threw them all into the tops of the palm trees.