I'm with facehoser on this. There is something so hot about a woman with a cock in all holes and one in each hand. Nothing gay about it at all, just pure Male dominance of and sexual submission by the female. Bukakke is the same.
Cuckolding is a much different dynamic and can be tricky because of the variables. As the bull you are dominant to the female. The wife is sub to you, but the wife may or may not be dom, sub or neutral to hubby. Hubby gets off to having wife taken by another man, but also can be on a range from sub and serving her or both of you, or just wanting to see her taken. So there can be some 'gay' In a cuckolding situation.