To render one's anus or vagina in a graphical state of distress, as a result of a particularly violent bowel movement or penetrative intercourse.
The description comes from the similar appearance to the ripped edges of a windsock (an item of metrological equipment used to establish wind speed/direction) as used at airports/flying schools, etc., which have become tattered as a result of excessive weather conditions.
"God, that curry last night was awesome - my arse puckered starrusty sheriff's badgechocolate tea towel holder this morning was like a tattered windsock"
"He was hung like a horse; my twat vadgegrowleryeti's welly looked like a tattered windsock afterwards"
When a females tampon is sticking out her vagina and is noticeable through her clothes.
If there is blood visible through the clothes then we would say "Yer Tattie is covered in sauce"
A small child (or sometimes adult) that tells when others are "doing something bad", much to the annoyance of everyone around them. Often earn themselves unflattering titles.
Susie: Teacher! Bobby's out of his seat!
Bobby: Ugh, Susie is such a tattle tale.