sub4sub

== English == === Etymology === Abbreviation of subscribe for a subscription back or a similar phrasing, otherwise analysable as sub (“a subscription”) +‎ 4 (“abbreviation of for”) +‎ sub (“a subscription”). Compare follow4follow. === Noun === sub4sub (uncountable) (Internet slang) On the video-sharing service YouTube, the practice of subscribing to a person's channel in exchange for said person mutually subscribing back to one's channel, often with the goal of artificially inflating one's subscriber count. ==== Coordinate terms ==== follow4follow ==== Related terms ==== join4join like4like view4view