1. Tesla-swap - Noun
2. Tesla-swap - Verb
(automotive) A car which has been electrified by removing its internal combustion engine and fuel system, and replacing it with a battery pack and an electric drive motor salvaged from a Tesla Motors all-electric battery-powered car.
(by extension) A car which has been converted to a battery-electric vehicle by removing its internal combustion engine and fuel system, and replacing it with a battery pack and an electric drive motor.
(automotive) To convert an internal combustion engine car into a all-electric battery-powered vehicle, by replacing its engine and fuel system with a battery pack and an electric drive motor salvaged from a Tesla Motors all-electric battery-powered car.
(by extension) To convert an internal combustion engine car into a battery-electric vehicle, by replacing its engine and fuel system with a battery pack and an electric drive motor.
Source: en.wiktionary.org