Teehee Is when your'e a little brat and laugh exactly like that when you think something is funny or you spam your friend on snapchat saying Teehee way to much. To sum it up, your'e annoying.
Friend: Hi!
You: Hi!
Friend: I need to go
You: Why?
Friend: I want to watch Netfilx
You mad as hell: TeEhEe tEeHee
TeEhEe