Wiktionary
choking up
vb. (present participle of choke up English)
Usage examples of "choking up".
He did not have time to turn his head to see it go, or say the things he wanted to say, because everything was going dark, and the bloody tide behind his eyes and choking up through his throat could be fought back no longer….
And if only she could breathe without choking up chunks of blood, maybe she could sleep.
All this time my heart was pounding and my throat was choking up, I didn't know why.