A term that has become ubiquitous among young adults to indicate a rapid succession of blow jobs. I.e. mentioning you have lockjaw from giving hundreds of blows jobs means that you probably attended a throat-fuck fiesta
Synonyms: blowjob gangbang
A: "There's got to be a term for why I have, like, SUCH BAD lockjaw right now"
B: "Like that blowjob gangbang you attended last night?"
A: "Well, I don't want to sound too casual about it..."
B: "A throat-fuck fiesta?!"
A: "...."
B: "What, you don't like parties?"