1 definition by thekindofguy

Top Definition
A word created from combining Dream + Fantasy.

When you start thinking about someone after going to bed and that fantasy continues during your sleep, as a dream. Dreamtasies are often sexual.
Man, I've been thinking about her for hours last night and when I finally fell asleep I had the best dreamtasy ever...
by thekindofguy January 03, 2011
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