Used in casual or informal situations, not for formal writing or professional contexts. He always sulks when he loses a game, what a crybaby.
Pro Tip 2/3
Negative Connotation
'Crybaby' implies weakness or immaturity, and it can be hurtful if used to mock or insult someone. My brother called me a crybaby just because I was upset over the movie.
Pro Tip 3/3
Avoid Overuse
Use sparingly, as overuse can lessen the impact of the word and seem insincere. After calling everyone a crybaby, Sarah's words lost their sting.