adjective: a circumstance in which the user of a cell phone, dispossessed of the use of the cell phone for any reason, must resort to the use of a hard-wired communication device.
Once I saw "Technical issue: Return to place of purchase for repair" on my Blackberry screen, I knew I had been landlined.
a scenario in which someone leaves their baby batteron the floor of a communal shower such as in a dorm bathroom. this is then followed by someone using said shower and stepping in it while barefoot. hence a landmine.