threesexual
Someone who is threesexual has no interest in a relationship with another person of the same sex, or indeed in one-on-one sexual encounters with someone of the samesex but who engages in same-sex sexual acts as part of threesomes or groupsex.
'Hey, I saw you giving that guy head at that orgy last night, I didn't know you were gay.'
'Oh, I'm not gay, I'm threesexual, my girlfriend was helping me out with it.'
'Oh, cool'.
'Oh, I'm not gay, I'm threesexual, my girlfriend was helping me out with it.'
'Oh, cool'.