pfuschen

Etymology
Possibly from, itself probably.

Verb

 * 1)  to work unprofessionally; to botch
 * 2)  to cheat; to avoid or break the rules (e.g. in school)
 * 3)  To carry out undeclared work, to moonlight
 * 1)  To carry out undeclared work, to moonlight
 * 1)  To carry out undeclared work, to moonlight
 * 1)  To carry out undeclared work, to moonlight