You can tuna guitar but you can't guitar a tuna!
Because one more would be "two-fahrty"
If you leave a pot of yogurt alone for 200 years it develops a culture.
You can tuna piano but you can't piano tuna!
You can tuna piano, but you can't piano tuna.... What about the pot of glue I knew you'd get stuck.
I'm stuck.
A bonding agent.