I was
called an onanist once. I had to go and look it up and...they were right!
(
wibblywobbly - helping ugly people get laid since 1982,
Mon 11 Dec 2006, 11:54,
archived)
doesn't have the same effect though really...
"Oi, cut that out you onanist!"

(
Zaphod's Wombat - Never did quite get the hang of,
Mon 11 Dec 2006, 12:05,
archived)