(noun) the fishermen who live in fishing boats

sandwich pun of which latter part is "one can look but cannot eat" or "you can just have a look". Tankas are the boat people, if they raise a chicken they will tire it up, avoid it dropping into water. Means one can look at a good thing but not allowed or unable to enjoy, mostly used to describe someone who is handling a lot of money but cannot take a penny from it, or a married man who meet an adorable girl but not allowed to date. Literally: boat people's chicken sees water