Clipping of nomination.
"The election board rejected his nom because it failed to list all required candidates."
Clipping of nominate.
"The children sat on the floor and nommed through the entire box of cookies in minutes, crumbs flying everywhere as they laughed."
To eat with noisy enjoyment.
Used to denote eating, or enjoyment of eating. Commonly used as "nom nom nom".
"The children made loud nom nom noises while devouring their ice cream cones."
Initialism of National Organization for Marriage.
"The event was organized by a group called NOM, which stands for the National Organization for Marriage."