nom·mer; \ˈna-mər\ noun; (Internet English, nom; from onomatopoeia, omnom)

1 a: the evening meal especially when breakfast is taken at midday
b: a social affair featuring ones fellow geeks; especially : an evening social including beer and pizza
2: the food served as a nom
3: a contraction of "nom her" indicating the performance of oral sex on a female companion

Got the covid-19 vaccine

Derived from the phrase "nOmnOmNom." The word used when something edible is really tasty and awesome.