Mysterious phenomenon by which belongings no longer fit into ones suitcase when returning home from vacation, even after having acquired no additional items.
"What the hell man, i haven't acquired a damn thing since we got here, and suddenly nothing fits in this suitcase!"
"What you've got here is a case of BELONGINGS EXPANSION."
"What you've got here is a case of BELONGINGS EXPANSION."
by clemy January 1, 2012
Get the belongings expansionmug.