throwaway account

( n.)

   1.  An  inexpensive  Internet account purchased on a legitimate {ISP}
   for the sole purpose of spewing {spam}.

   2.  An  inexpensive Internet account obtained for the sole purpose of
   doing  something  which requires a valid email address but being able
   to ignore spam since the user will not look at the account again.

[glossary]
[Reference(s) to this entry by made by: {spamhaus}{whack-a-mole}]