See: GET THE JUMP ON or HAVE THE JUMP ON, GO JUMP IN THE LAKE, NOT KNOW WHICH WAY TO TURN or NOT KNOW WHICH WAY TO JUMP.
JUMP
Meaning of JUMP in English
Slang English vocab. Английский сленговый словарь. 2012
See: GET THE JUMP ON or HAVE THE JUMP ON, GO JUMP IN THE LAKE, NOT KNOW WHICH WAY TO TURN or NOT KNOW WHICH WAY TO JUMP.
Slang English vocab. Английский сленговый словарь. 2012