Top Definition
A popular euphemism for the most prevalently-used and virus-susceptible email client in the history of computing. See Outhouse Express for the correct term.
When I installed SP2, Outlook Express presumed to decide for me whether to download the images in my email.
by Downstrike October 03, 2004
A piece of shit fucking program that Microsoft made!
I tried to apply for a job today but, Outlook Express fucked me over with an error.
by Smith21682 June 06, 2007
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