Does a freezer-related chore

• Thaws a freezer
• Thaws out
• Gets out of the freezer, say
• Does a refrigerator job
• Does freezer maintenance
• Uses the microwave, maybe
• Sits on the kitchen counter until dinner, say
• Does a freezer chore

Wiktionary Word definitions in Wiktionary
vb. (en-third-person singular of: defrost )