Noun
walk around money (uncountable)
(proscribed) Alternative form of walk-around money
(colloquial) Petty cash, money for use on trivial items while walking around.
(US politics, especially Baltimore, colloquial) Money from a political campaign for use ensuring supporters bring voters to the polls, both for legitimate get out the vote efforts and political corruption.
Source: en.wiktionary.orgwalk around money