This is a sexual act necessitating five people. Two must be male and three female. It starts with one female servicing another female while being serviced by a different female, both of which are being penetrated by different males. The Japanese Bridge is similar to an expanded version of the Eiffel Tower
G.......................G
U->GIRL GIRL*<-U
Y......GIRL ^....... Y
PewDiePie bridge - in a popular battle royal game, Player Unknowns Battle Grounds also know as PUBG, PewDiePie gets shot at and die so he screams a slur.
*gets shot at* "What a fucking Nigger"
If something belongs to the past and isn't important or troubling any more, it is water under the bridge.
-I can't believe I broke up with Jason, I miss him so much!
-Woman, it's been 2 months already, and he hasn't called you!
it's water under the bridge...