TheWPCTraveler on 10 May 2018
I dare say that Thanos does not necessarily require the use of his hands (other than having one of them be in the glove, obviously) to masturbate.
Thus, operating under that assumption, yes, he can fap with it on.
I WON A BET AGAINST AZUREN! WOOOOOOOOOOAAAAAAAAHHHHHHHHHHHHHHHHHHH
:3