An insulting name for a person who is weak, annoying or just an easy target for insults.
Shut up or i'll break you, you squeaky little twatbag.
by Jon K September 28, 2003
When a person with a vagina has "bags" of skin under the clit to show that she has had to many sexual encounters with men.
"shut up you twat bag!"
by Cyle/Chris September 03, 2006