Top definition
Hanging out by yourself, isolated from the rest of society for an extended period of time.
"Jim, where you been? I haven't seen you in weeks? You been unabombin' again?"

"Haha yeah buddy, some serious unabombin'."
by krtzone August 06, 2012
Get the mug
Get a unabombin' mug for your bunkmate Zora.