(pachinko) tampered ROM

a form of vertical pinball used for gambling, sometimes found in arcades / a slingshot, stonebow / (slang) a pistol

to doubt / to have doubts / to be doubtful / to distrust, to mistrust / to call (a matter) into question

to use / to employ / to make use of, to apply / to spend

(electronics, computing) ROM / (Internet slang, 2channel) "read-only member": lurker

Alternative form of ROMる

(computing) ROM

(Internet slang) lurker

(Internet slang, 2channel) to lurk

(2channel slang, Internet slang) exclusively lurking