An inadvertent mis-rendering of the saying "making a mountain out of a molehill" - enlarging an issuebeyond its merits or needs - which unintentionally and charmingly accentuates the disparity.
"So what? You lent me your car to go grocery shopping. For whatever, an hour, and I brought it back! It was not three weeks later! Sixteen days is much closer to two weeks. You are so totally making a mountain out of a molehole".
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi