-when ur cutting up and laughing with someone and finally stop, but then you meet eyes and just start laughing again

-in general, laughing so hard your stomach hurts or you cry

-when you have an inside joke and just saying one word just makes you laugh hysterically

-hugs that really mean something

-riding shotgun and screaming out the lyrics on the radio in a horrible singing voice

-when your pet plops its little head in your lap and licks your hand

-when someone is just really excited about something. yes, be happy and passionate pls

-people that laugh hysterically at their own jokes

-when you find someone with the same weird/obscure interests as u

add ur own pls