go both ways

Definitions

1. Used other than figuratively or idiomatically: see go, both, ways.
2. To be, or be in, a mutual or reciprocal relationship or obligation.
   informal
3. To be bisexual.
   informal
4. To be versatile, able to act as either a top or a bottom.
   especially, informal

Examples

“[...] people generally went by the railroad; that is, decidedly more than went on the dirt road. Witness had seen men go both ways.”

“empathy goes both ways”

“I have⟳ a straight bitch in the telly going both ways.”

“When Mark⟳ sought my supervision, I taught him the terms top and bottom and explained that gay men usually self-identify as either one or the other. Some men go both ways—calling themselves "versatile"—[…]”

CEFR level