The difference between Above board and Smelly

Above board is also phrase with the meaning: openly, without deceit.

Smelly is also noun with the meaning: a short magazine lee enfield rifle or one of its derivatives.

Smelly is also adjective with the meaning: having a bad smell.

check bellow for the other definitions of Above board and Smelly

Smelly as an adjective:

Having a bad smell.

Examples:

"She was hesitant to remove her shoes, as her socks were rather smelly."
Smelly as an adjective (figuratively):

Having a quality that arouses suspicion.

Examples:

"The detective read the documents and thought, "Something sure is smelly about this case."
Smelly as an adjective (figuratively, computing, slang, in [[extreme programming]]):

Having signs that suggest a design problem; having a code smell.

Examples:

"That smelly code needs to be refactored."

Smelly as a noun (firearms, informal):

a Short Magazine Lee Enfield rifle or one of its derivatives.