(Verb)
Meaning to do one thing and mistakenly doing something else, due to stress, panic, fatigue, etm. And distraction, don't forget distraction...
Steven: 'Michael! How the hell did you end up crashing your damn car last night?'
Chris: 'He pulled on the handbrake instead of changing gears the d*** head'.
Michael: 'F***, I was kinda tired, it was an action typo'.