Here are some possible translations depending on the context:
* Exaggerated
* Over-the-top
* Hyperbolic
* Dramatic
* Embellished
* Unrealistic (if referring to something that is too dramatic or unbelievable)
For example:
* "Ang kwento niya ay mamanhikan." (His story is exaggerated.)
* "Ang pag-uugali niya ay mamanhikan." (His behavior is over-the-top.)
It's important to consider the context of the sentence when deciding on the best English equivalent for "mamanhikan."