yes
It is not true that men can ejaculate only once. Immediately after orgasm, both men and women experience what is known as a refractory period, a period during which further stimulation is not...
Because your testes constantly produces sperm, you are able to ejaculate more than once as they are replenishing every second.
Though rare, a male can have two orgasms within the same event. Still, once again it is rare.
I'm going to go with elephants.