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 rim fuck train position, participant A gives a rimjob to participant B who fucks participant C.
| Position \ Participant | A → | B → | C |
|---|---|---|---|
| Entraîner orale (a.k.a. Blow Train) |
blows B → | blows C → | ◉ |
| blows B → | blows C → | blows D → ⋯ → ◉ | |
| chaîne orale (a.k.a. Blow Chain) |
blows B → | blows C → | blows A ↩ |
| blows B → | blows C → | blows D → ⋯ → blows A ↩ | |
| Train de jonction | 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 → | ◉ |
| Rim Coup train | rims B → | blows C → | ◉ |
| Rim train | rims B → | rims C → | ◉ |
| rims B → | rims C → | rims D → ⋯ → ◉ | |
| chaîne Rim | rims B → | rims C → | rims A ↩ |
| rims B → | rims C → | rims D → ⋯ → rims A↩ | |
| Rim Putain de train | rims B → | fucks C → | ◉ |
| Rôti à la broche (a.k.a. Fuck Blow Train) |
fucks B → | blows C → | ◉ |
| Train de jarretière | fucks B → | rims C → | ◉ |
| Entraîner Anal (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↩ |