Cybertronian who's never used their spike before, not even by themselves, and ends up writhing and bucking their hip struts up into Ratchet's servo on the medical berth during one of his "check ups" when he finds out about this fact.
He teaches them how to jerk off because their 'tanks could get blocked if not regularly purged', but he insists on taking over and ultimately ends up stroking their drooly, twitchy spike for them because they 'arent doing it correctly'.













