At the Gay Sex Positions Guide, we define group gay sex positions by the activities—anal intercourse, blowjobs, or rimjobs—performed by three participants, which we'll refer to as participants A, B, and C.
In the fuck rim train position, participant A fucks participant B who gives a rimjob to participant C.
| Position \ Participant | A → | B → | C |
|---|---|---|---|
| ağız Tren (a.k.a. Blow Train) |
blows B → | blows C → | ◉ |
| blows B → | blows C → | blows D → ⋯ → ◉ | |
| ağız Zinciri (a.k.a. Blow Chain) |
blows B → | blows C → | blows A ↩ |
| blows B → | blows C → | blows D → ⋯ → blows A ↩ | |
| Blow Rim Tren | blows B → | rims C → | ◉ |
| Blow Rim Chain | blows or rims B → | blows or rims C → | blows or rims A ↩ |
| blows or rims B → | blows or rims C → | blows or rims D → ⋯ → blows or rims A ↩ | |
| perfecta (a.k.a. Blow Fuck Train) |
blows B → | fucks C → | ◉ |
| Jant Şişirme Tren | rims B → | blows C → | ◉ |
| Rim Tren | rims B → | rims C → | ◉ |
| rims B → | rims C → | rims D → ⋯ → ◉ | |
| Jant Zinciri | rims B → | rims C → | rims A ↩ |
| rims B → | rims C → | rims D → ⋯ → rims A↩ | |
| Ağız kenarlı tren | rims B → | fucks C → | ◉ |
| kızartma spit (a.k.a. Fuck Blow Train) |
fucks B → | blows C → | ◉ |
| Fuck Rim Tren | fucks B → | rims C → | ◉ |
| Anal Tren (a.k.a. Fuck Train) |
fucks B → | fucks C → | ◉ |
| fucks B → | fucks C → | fucks D → ⋯ → ◉ | |
| Fuck Chain (not seen to date) |
fucks B → | fucks C → | fucks A ↩ |
| fucks B → | fucks C → | fucks D → ⋯ → fucks A↩ |