imp

n 1: (folklore) fairies that are somewhat mischievous [syn: {elf},

{hob}, {gremlin}, {pixie}, {pixy}, {brownie}]

2: one who is playfully mischievous [syn: {scamp}, {monkey}, {rascal},

{rapscallion}, {scalawag}, {scallywag}]

ICMP

{Internet Control Message Protocol}