From Longman Dictionary of Contemporary Englishstick in somebody’s throatstick in somebody’s throatif words stick in your throat, you are unable to say them because you are afraid or upset → stick
Examples from the Corpus
stick in somebody’s throat• When the time came to say "I do, " the words stuck in my throat.• Swallow, something sticking in my throat.• Did he want me to eat shit or the words stick in my throat and choke me?• The breath was stuck in her throat and her mouth felt dry.• It stuck in my throat and I had to cough and cough to dislodge it.• While the arrows still seemed stuck in their throats they danced to right and left with short, shuffling steps. 