Used disapprovingly to describe excessive drinkers, often carries a judgmental tone. He's turned into a real tosspot since the pub became his second home.
Pro Tip 2/3
Old-fashioned Usage
'Tosspot' is archaic, so it's rarely used in modern conversation, but may appear in historical contexts. In the old novel, the village tosspot stumbled home every evening.
Pro Tip 3/3
Avoid Formal Settings
The term is too informal and potentially offensive for professional or formal environments. Don't call your colleague a tosspot at work - it's highly inappropriate.