Medical term referring to the experience of irrational, insatiable hunger that typically follows recreational administration of the popular anxiety drug Xanax.
Xanax munchies are frequently accompanied by blackouts, during which one forgets what foods he or she has just recently eaten.
Dude, I got the xanax munchies so bad last night, I ate a whole pizza and woke up with chinese food all over my bed.

When all of that xanax we took kicks in, we're going to have a severe case of xanax munchies.

by RVDestroyer69 February 8, 2008
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