The story
First sense is onomatopoeic. The second sense is an abbreviation of hahaha.
Etymology from Wiktionary, CC BY-SA 4.0.
hhh
Today it means: A sigh; indicates distress, discomfort, boredom or confusion. Full definition →
Today it means: A sigh; indicates distress, discomfort, boredom or confusion. Full definition →
First sense is onomatopoeic. The second sense is an abbreviation of hahaha.
Etymology from Wiktionary, CC BY-SA 4.0.