A small piece of poo that remains dangling from your anus after you've finished taking a shit.
Often remains "unpinchable" and can only be cured with the manual use of toilet paper and hand-to-dangle contact.
Dammit, I think I've got a doo dangle.
Australian term for male genitalia; penis
"Crikey! Croc's has me by the dangle doo!" - Steve Erwin
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