We found 6 dictionaries that define the word hee hee:

General (4 matching dictionaries)

1. hee-hee: Merriam-Webster
2. hee-hee, hee-hee: Collins English Dictionary
3. Hee-hee, hee-hee: Wordnik
4. hee-hee: Wiktionary

Miscellaneous (1 matching dictionary)

5. Ka-BOOM! Comicbook Words on Historical Principles (No longer online)

Slang (1 matching dictionary)

6. hee hee: Urban Dictionary

▸ Words similar to hee hee ▸ Usage examples for hee hee ▸ Idioms related to hee hee ▸ Wikipedia articles (New!) ▸ Words that often appear near hee hee ▸ Rhymes of hee hee ▸ Invented words related to hee hee