Haha'd is a similar phrase
like Lol'd.
Basically you're laughing
like "haha" but to tell
people you've laughed you'd say "I just haha'd" or "haha'd".
Person A: Yo bro'! Ma bitch
got pregnant!
Pereson B: Haha'd man! I just haha'd! I told ya to wear protection!
Example 2:
*Reads something on a forum"
- Haha'd! That's so
funny! Hahahahaha'd!