A bumski rumski is ones partner in lazy activities, usually being a significant other.You watch TV marathons, you're smoking buddies, and they're the love of your life! You drink lots of coffee together, smoke bowls together, rub eachother's backs, and have deep conversations at odd hours.

A bumski rumski is almost always wearing pajama pants, a big t shirt, no bra, and their hair usually resembles something a rat would enjoy playing in.
"Oh bumski rumski! Why don't we get off the couch and go do something?"
"There's nothing else to do."
by darkfairygirl December 3, 2014
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