Question

always trust a glue salesman. they tend to --- to their word. puns often use words with two meanings or similar sounds to create humor. which double - meaning word would complete this pun? glue go stick

Explanation:

The pun plays on the double - meaning of "stick". "Stick" can mean a piece of wood, and also means to adhere or be loyal. In the context of the pun about salesmen, "stick to their word" implies being reliable, similar to how glue sticks things together.

Answer:

stick