A child giggling while being tickled is an example of irrepressible.
There is nowhere recorded a simple and irrepressible satisfaction with the gift of life, any memorable praise of God.
This is what they have done with me! thought he, full of an irrepressible fury that welled up within him against the someone to whom what was happening might be attributed.
He had as colleague Franz Gomarus, a strong supralapsarian, perfervid, irrepressible; and their collisions, personal, official, political, tended to develop and define their respective positions.
Mummy, my precious!... she whispered incessantly, kissing her head, her hands, her face, and feeling her own irrepressible and streaming tears tickling her nose and cheeks.
(The regimental commander's face now that the inspection was happily over beamed with irrepressible delight.)