In the audience, there was tittering; the upperclassmen were enjoying their sport.
"Two on the mat, then," snapped the officer, and a pair of tittering Tommies were left at the door.
When I stopped, the tittering had ceased; silence saluted me.
One heard from the depths of the jungle the tittering of a hyena.
And when I was brought to the font, the parson could not christen me for tittering.
Indeed there was such a tittering and a giggling through the Hall, that the meeting was broken up.
There was much laughter, afterwards whispering and tittering.
She had for some time been struck with a kind of whispering and tittering about her.
Besides, that tittering had not sounded like a human being at all.
Her arms akimbo, a mountainous monument of tittering embarrassment, she would be escorted to the tree by Mr. Mapleson himself.
1610s, "giggle in a suppressed or covert way," probably of imitative origin. Related: Tittered; tittering. The noun is first recorded 1728.