salmon and trout; salmon
noun
1
tobacco; a cigarette. Rhyming slang for SNOUT UK, 1974.
2
gout. Rhyming slang. Sometimes varied as 'salmon trout' UK, 1932.
3
the nose. Rhyming slang for 'snout' UK, 1974.
4
an informer. Rhyming slang for SNOUT UK, 1992.
5
a ticket tout. Rhyming slang, originally applied to a racecourse tout UK, 1932.
6
stout (beer). Rhyming slang UK, 1960