If you want grating, you should try asking a New Yorker to say "It is my duty to tell you there is dew due"

Sorry for being late to the party, but I'd just like to say that LEGO is like toast.

Two slices of toast, not two toasts. Two pieces of LEGO, not two LEGOs.

And can I just quietly rant and rave at the suggestion that "tip" could be an acronym (or backronym) for "To insure promptness"? Leaving a tip would hopefully ensure promptness, not insure. To ensure is to make sure something happens. To insure is to protect yourself against the possibility that something may, or may not (as the case may be), happen.