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2.
Etymology: Scott Adams, creator of Dilbert
(n) conventional mail in which a letter or package is physically delivered by a postal service, esp. when the object mailed could have been sent electronically via email/e-mail and arrived at the destination instantly
Paranoid about "hackers" spying on him, my boss insists on sending all correspondence via snail mail, which means I can't use my spam filter to ignore him.
by BeardedFatass January 09, 2004
 
1.
Using the regular postal service as opposed to e-mail; suggesting that the service is as slow as a snail.
My uncle send it by snail mail.
by language changes March 14, 2005
 
3.
A popular phrase on the Internet for mail services provided by the U.S. Postal Service and similar agencies in other countries. The term has its origins in the fact that regular postal mail is slow compared with e-mail.
I would prefer the picture per e-mail, but if you have no scanner, send me a snailmail.
by Igor November 25, 2003
 
4.
something strongbad does in his weekly routine.
I gotta snail mail in my pocket, and I think it's starting to melt.
by john smead February 11, 2005