Meaning of the Sanskrit Word: utpulakah

  utpulakaḥ—experiencing standing of the hairs of the body    SB 3.28.34
  utpulakaḥ—with the hairs of his body standing on end    SB 7.4.41
  utpulakaḥ—very pleased    Madhya 24.157
  utpulakaḥ—becoming agitated in ecstatic love    Madhya 24.278

Can't find any compound Sanskrit words containing utpulakah.