grow a tail

Meaning

Verb

• to be nearly about to defecate, to the point of being unable to completely hold it in

Related

Similar words

• crown
• breaking the seal
• splashing the pirate

Origin

• To grow a tail is a metaphor, as the anus where poop exits is adjacent to where a tail is placed. "Growing" in this case refers to partial expulsion as one attempts to prevent it.