reposition

Entry Definition
s/he repositions it by wiggling or shaking it
it is put somewhere else, is repositioned; it is postponed or delayed
s/he repositions it quickly at an angle (usually, with undesirable result; e.g., deflecting gun when pulling trigger)
s/he lowers it quickly (e.g., gun); s/he repositions it quickly downward (usually, with undesirable result; e.g., deflecting gun when pulling trigger)