1. To sit or lay down and not move while being incredibly intoxicated.

2. Being worthless for an extended period of time while your friends are actually doing something.

3. Being a piece of shit and not moving with a bag of cheetos in one hand and a hot McChicken in the other hand.
"Hey Doc, quit blobbin and get your fat ass out of that chair and socialize."
A cretin with a large superiority complex, unable to communicate with the opposite sex without experiencing involatile sexual arousal.
I can't believe you just jizzed on her, you're such a blobbin.
by silent but deadly March 05, 2012

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