Mung up

verb phrase

To make filthy: I munged up my shoes walking across the field (1970s+ Teenagers)

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Mungy
noun messy, gloppy, often gooey or oily Word Origin 1989; fr mung ‘a mixture, mess’ Usage Note informal adjective Messy, gloppy, often gooey or oily: mungy leftovers
Munhall
[muhn-hawl] /ˈmʌnˌhɔl/ noun 1. a city in W Pennsylvania, near Pittsburgh.
Muni
[myoo-nee] /ˈmyu ni/ Informal. adjective 1. municipal; operated by a municipal government: a muni bus company. noun 2. a municipal bond. [myoo-nee] /ˈmyu ni/ noun 1. Paul (Muni Weisenfreund) 1895–1967, U.S. actor, born in Austria. municipal bond