The meaning (from BRF, with some of my amendments)
{Note: the sense, and verb tense, of the poem is "May this come to pass"}
Para 1: Even if people try to find the pieces of the body, all the pieces can't be found. Nobody will bury or organize acremationfuneral for the body.
Para 2: On the day of resurrection Allah will order the body to be reconstructed. Allah asks how did your body come to be so, but the bomber can't give an answer.
Para 3: So Allah smiles at the bomber and orders him to proceed to jannat (heaven) with his 70, nowhe can't be killed anymoredeath cannot touch him again.
Para 4: When he reaches jannat Allah orders that he be given whatever he wants, but the bomber says that jannat has no joy to match that of martyrdom while killing a kafir.