swing one's dick around
English edit
Etymology edit
From swing + one's + dick (“penis”) + around, by analogy to swinging dick.
Noun edit
swing one's dick around (third-person singular simple present swings one's dick around, present participle swinging one's dick around, simple past and past participle swung one's dick around)
- (slang, vulgar) To exhibit or act with (especially aggressive or exaggerated) bravado or machismo.