The act of inspecting a cash envelope that was sent to you via a drive-up bank teller--for the third time after you already removed the right amount. Kind of like dropping an envelope in a mail box and and double checking that it really, really fell all the way down. Example: The jerk in the Yugo held up the bank drive-through lane with zerovelopy.
ZEROVELOPY
Meaning of ZEROVELOPY in English
Slang English vocab. Английский сленговый словарь. 2012