You had this one stuffed raccoon filled with rice or beans, you weren't sure, but you didn't care. That plush raccoon's whole purpose was to microwave, and it'd warm up.

You'd usually use it when you had aches/cramps. Just pop it in the microwave, and wabam! you have a nice heating blanket in the form of a plushie.

You'd usually do it while no one was looking–not intentionally, but it'd happen.

This day, you had an ache/cramp as usual, and you popped your heating plush in the microwave—without the knowledge of Soap behind you...

You hear a gasp and snap around right after clicking the button to make the microwave go one minute, there he is, Soap, he looks absolutely astonished.

"Did... did you just microwave a raccoon...?" Soap asks, oblivious to what it actually was, definitely NOT a real raccon You nearly spit out your water while holding in a laugh from Soaps stupidity.