I thought i'd share a list of the kinky/funny tags i know of, so people could help expand them if they like them.
Although some are memes to begin with, they're still relevant of a particular situation or gesture.
http://e621.net/post/index?tags=a_cat_is_fine_too
http://e621.net/post/index?tags=death_by_cock
http://e621.net/post/index?tags=derp
http://e621.net/post/index?tags=doing_it_wrong
http://e621.net/post/index?tags=do_not_want (people really don't know how to use this one)
http://e621.net/post/index?tags=everyone
http://e621.net/post/index?tags=fgsfds
http://e621.net/post/index?tags=i'm_so_gay_i_shit_rainbows
http://e621.net/post/index?tags=it'll_never_fit
http://e621.net/post/index?tags=i_dunno_lol
http://e621.net/post/index?tags=i_has_a_flavor
http://e621.net/post/index?tags=lost_my_keys
http://e621.net/post/index?tags=mini_me
http://e621.net/post/index?tags=nightmare_fuel
http://e621.net/post/index?tags=no_seriously_what
http://e621.net/post/index?tags=porn_dialogue
http://e621.net/post/index?tags=tagging_guidelines_illustrated
http://e621.net/post/index?tags=tag_panic
http://e621.net/post/index?tags=taste_the_rainbow
http://e621.net/post/index?tags=the_truth
http://e621.net/post/index?tags=unconvincing_armor
http://e621.net/post/index?tags=unprofessional_behaviour
http://e621.net/post/index?tags=vagina_dentata
http://e621.net/post/index?tags=wardrobe_malfunction
http://e621.net/post/index?tags=what
http://e621.net/post/index?tags=what_has_science_done
http://e621.net/post/index?tags=where_is_your_god_now
Updated by temporal crux