Top definition
determine the usefulness of leaving bed in the morning
1. Is Jess up yet? No he is grumblebugging and wont be up for at least another hour.

2. After two long hours of Grumblebugging I decide breakfast in bed was the best option and call my wife

4. My grumblebug went on for ages this morning, I missed the morning meeting at work
by victororious February 25, 2012
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