scuba
tulip
lava
metafiction
cummings
grasshopper
Daowajan, this endeavour is definitely worth at least fifty coolness points. You rock.
gynotikolobomassophile, qhythsontyd, ultracrepidarian.
And it had better be romantic, damnit! But how could it not?
If foreign phrases count, then, as a separate challenge, I’ll also offer these three:
ad captandum vulgus, ex pede Herculem, and et hoc genus omne.