Definitions

1. verb

to make or become dim or less bright, especially due to a lack of light

“The room began to dammer as the sun set outside.”

2. verb

to cause a person to become or feel dazed or confused

“The loud music dammered me, and I couldn’t think straight.”

3. noun

a person who habitually smokes marijuana

“The dammer was always getting in trouble with the authorities.”

4. noun

a person who habitually smokes or uses other psychoactive substances

“The dammer was always getting in trouble with the authorities.”

5. verb

to spoil or ruin something, especially by making it dull or uninteresting

“The new policy will dammer the company’s profits.”