What does the "G:M" befor Need to Destroy's second ablity mean?

Yoko Charming Fox said:

Gender: Male. Only male characters can use this ability. It is the foil to G: F, the likes of which you can find on the Gorgeous Team (see block 3) or others, see block 2.

- dut

Thanks, its been so long since I have seen a gender exclusive card that I completly forgot about it.