The term kick one's heels is identified in base64 scheme by the sequence a2ljayBvbmUncyBoZWVscw==, while the MD5 signature is equal to ec015a50c5a441e070673f5d4073d4db. The ASCII encoding of kick one's heels in hexadecimal notation is 6b69636b206f6e652773206865656c73.