your dick's loose
a not uncommon response to someone who talks a lot of bullshit or doesn't know what they're talking about at all, or someone of questionable sexual preference. also used to insult pretty much anyone at any time w/o any cause, mostly males.
Person A: That String Cheese Incident show rocked. They were throwin' down somethin' fierce.
Person B: Man, your dick's loose.
Person B: Man, your dick's loose.