Ian is a TEENY bit insulted that Samus' first idea is not just that she should man up and kiss him but he supposes there are. Reasons. For that. Reasons named Captain Falcon.

So, Ian does attempt to throw the mistletoe (far) away, although apparently in vain. It rather comically sticks to his hand as he tries several times to chuck it. It dangles near the wrist of his sweater while he shakes his hand out desperately.

"Looks like we need a Plan B."