Talked to a Thai guy and he said that in Thailand saying '555' meant 'hahaha'
So.. I guess this may be useful to know :P.. maybe
Pijit: it is laughing in Thai. 5 = ha, 55 = haha, 555 = hahaha!
Me: ...good to know
Bar girl reply: Yes, docter say boom boom now, ok.
Guy's reply: Come over then. And don't forget your sister, 555.
"Let's go to Q-Cup and drink pearl tea and smoke menthols."
"Yeah, Linh's smoking triple-5s now. She's always hanging around the fobs now. What a fob-wannabe."