(adj.) Not doing what you should be doing, be it at work or in free time. Pls note it can be 'thumb up my/your/his/hers/possessivepronoun's ass" as needed. I just put "your" in the entry title because it's the most common.
Synonyms for Thumb up your ass
On this page, you will find 30 slang terms related to thumb up your ass. Some of the top words include: Date, shove it, fudge tunnel, mud maker, mud maker, and 25 more.