Thanks Malone, I've moved the duplicate into this thread.
Duplicate post by Geoff Marbella
19A A boner might well…take up all the space (getting expandable trouser tops) 6. Checking letters ?i?l?t give me fillet but why
Replies by paradigmshifter
1. It's a homophone...
2. Not sure where the "expandable trouser tops" bit comes in though?
3. Oh I get it... (E)xpandable (T)rouser tops. Don't think that was really necessary though, I think it works ok as just a homophone, and not FILL + E + T.