When you think that something came out of your ass but your not really sure. Usually its a minimal amount of liquid too small to notice a signifigant change of the moistness of your underwear.
Jamal:Hey man I think I just leaked out of my ass
Me: Oh shit was it taco night last night again?
Someone or something that bites your ankles.
To a postman, an ankle biter is often known as a dog.
To an adult, an ankle biter may be a toddler.
To hikers, an ankle biter is sometimes a tick.
And so on.