When it comes to synonyms for the phrase "throttle kill," several alternatives can accurately convey the same meaning. Firstly, the term "choke" could be used, as it signifies the restriction of airflow to an engine, resulting in stalling or shutting down. Similarly, "strangle" paints a vivid picture of the throttle being constricted, leading to a sudden death of the engine's power. Additionally, "suffocate" could be employed to describe a wheezing engine that eventually stops due to lack of air supply. Lastly, the phrase "stifle the engine" implies forcefully suppressing the throttle, causing the motor to cease its operation abruptly. Each of these phrases effectively captures the concept of "throttle kill" through their distinct connotations.