What does jajajaja mean in spanish?

Answer 1

It's the Spanish version of "hahahaha" because in Spanish the "j" is usually pronounced as an "h". so they say jajajaja to make it sound like laughing because the way the say "h" sounds almost silent.

Answer 2

"Jajajaja" is the Spanish equivalent of the English "hahaha" - it represents laughter. The more "ja's" used, the louder the laughter is perceived to be.