The feeling of consuming something pleasing, expressed in a scribed sound effect.

History:
Originally heard in the game, "Team Fortress 2" as the Heavy class enjoys a sandvich (this is the correct spelling within TF2 due to the Heavy class' accent) all the while saying, "Nom nom nom..." while he consumes it to gain life.

An act of affection expressed through chomping noises

The exact sound of chowing down food.

A sound/noise one makes whilst enjoying performing oral sex on a female.

To show affection for someone while awkwardly hugging them or laying on top of them. Also an icebreaker to awkward silence.

A turn of phrase identifying how satisfied someone is whilst eating

1). an onomatopoeia, the sound one makes when delightfully rapidly ingesting something delicious, the context most often used is when scarfing down a delicious food, such as a cookie or sandvich.

2). the phrase is near commonplace on the internet but originated with Sesame Street's Cookie Monster

3). the sound is also used in Team Fortress 2 when the Heavy class eats a deliciously looking "sandvich" after becoming damaged and regains full health.