It was quite clearly inferred, anyone who thought they'd actually spend it all on the NHS is a bit mental
Anyone who suggested it is also mental*. It was the only way to get the stupid to vote leave. They probably wouldn't have voted and it would probably have been a comfortable win for Remain.
*By mental, I mean scheming and a bit of a liar. Probably not really mental at all.
"Scoring a goal is better than sex" - Whoever said that was sticking it to the wrong woman