The reluctance or refusal to get one's drivers license, with no legitimate reason other than laziness or procrastination. People who are spongebobbing it typically walk everywhere they need to go or rely on others to get around, which will often become a nuisance or a burden to others.
To procrastinate. Based on the "Spongebob Squarepants" episode "Procrastination" In wich Spongebob has to write an essay but finds countless other things to do besides the essay.
Kevin has a homework assignment to do, but he's been spongebobbing hard.