Definition of "teabag"

A cloth or paper sachet containing tea leaves or herbal tea, designed to act as an infuser when submerged in hot water.  quotations  examples

(transitive, vulgar, slang) To lower one’s scrotum into the mouth of another person, or onto the face or head of another person.

(video games) To sit or crouch repeatedly on the head of another player's character after they are dead.  quotations  examples