1. When you've gotten high earlier in day and you start feeling sober so you decide to smoke again.
2. A term used typically by stoners; this means that he/she who is intoxicated is so high that they feel fuzzy and jittery as if they've just exited a microwave.
"Dude I'm ridiculously baked" "I feel you. I'm microwaved as hell and it's got me feeling like a hot pocket"
"After hitting this I feel microwaved."