fly-post
/ˈflaɪpəʊst/verb
with obj.
- Brit. put up (advertising posters) in unauthorized places〈英〉（在未经许可处）张贴（广告）：
notices appealing for help were fly-posted around Colchester
求助告示乱贴在科尔切斯特许多地方
no obj. I fly-post every Friday night.每个星期五晚上我四处乱贴小广告。
词源
early 20th cent.: from ON THE FLY at FLY1.