It can be a bit of a pain having to go to the admin area just to spam some piece of junk. You can use this snippet to add the “Del” and “Spam” buttons to your comments on the front end.
Add this to functions.php

 
function delete_comment_link($id) { 
 
if (current_user_can('edit_post')) { 
echo '| <a href="'.admin_url("comment.php?action=cdc&amp;c=$id").'">del</a> ';
echo '| <a href="'.admin_url("comment.php?action=cdc&amp;dt=spam&amp;c=$id").'">spam</a>'; 
} 
} 

Add the following after edit_comment_link()

 
delete_comment_link(get_comment_ID()); 
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