I thought you’d like that, half eu/half union jack suit. Cant accuse him of being too subtle
No, indeed: Michael O’Leary has at various times been accused of many things, by the British and Irish public, by the City, and by the media, but “subtlety” was certainly never one of them. 
EU referendum: Why is there no exit poll? | UK Politics | News | The Independent
The detail pasted below (from the linked article) warns that any currency market moves after voting ends will not be based on known or projected results but on private polls, therefore the only way to be sure will be to wait until the next morning, when the counting will have been done.
First results could be in close to midnight…
Only half an hour to go, potentially…
GBP/NZD just put in a 700+ pips 5-minute candle to the downside, past 2.0…
GBP/NZD drops below 2.0 and GBP/USD below 1.42; EUR/GBP rises to 0.79…
Yen pairs drop sharply. as do the S&P500 and Nikkei225 indices…
I saw the spread on GBPNZD @ 87P… :0