He took up a towel and plunged his head into it.
He too plunged his head beneath the fresh water and began to laugh.
I plunged my head under to look at it.
As it did so a figure climbed suddenly over the back, and plunged head first into the midst of them.
Art plunged his head in the water, and pulled it out spluttering.
Wasn't it strange that Jean should be plunging head first into life ahead of me?
She plunged head first into the hole, and slid down the shaft after her baby.
He went down to the river and plunged his flaming head into the water to extinguish the fire.
He plunged his head into the water, forgetting the squid ink.
We both laughed, and, springing from the rocks together, plunged head first into the sea.