I would feel stupid for not getting a Sonic reference, but it was to a part of the franchise that wasn't a game, so meh.
244. Liminal Term, Terminal Limb could be Individual: viagra-related spam, since Viagra was originally developed to increase bloodflow to hand and feel and other "terminal limbs". Of course, in clinical testing they found it increased bloodflow to other extremities, and thus single-handedly doubled the amount of spam on the Internet.