Things got downright X-rated in the Legends Football League ... when Chicago Bliss star running back ChrisDell Harris invited a linebacker to prove her skills as a cunning linguist -- if you catch our drift.
It all went down when the Bliss took on the Atlanta Steam in an August 20 match up -- where things got pretty chippy between the two squads.
Harris -- aka "The Ferrari" -- wasn't too happy about getting slammed into a wall during an option play ... and launched the oral attack.