foamer
nounEtymology From foam + -er. Foamers are called so because they foam at the mouth with awe
1
US, Derogatory, Slang, Sometimes A railfan, particularly an obsessive one.
2
US, Derogatory, Slang, Sometimes Someone with a special interest in a particular topic.
3
A device that foams or froths liquid.
- Derived terms
- antifoamer