OK, first of all some pointless rant so that members can't see what I'm writting about by placing cursor on link. Will this do? Hmmmmm, not sure, let's try a bit more. Yes this should do it....
Sealion (v.): to argue a point that is indefensible, impossible. e.g. "You can't walk on water. Claiming to be able to do that is sealioning."

Sealion (v.): to argue a point that is indefensible, impossible. e.g. "You can't walk on water. Claiming to be able to do that is sealioning."