- (rare, slang) Vulva-to-vulva sexual intercourse with legs intertwined.
- My orgasms are much stronger tribbing with a girl than having sex with a boy.
2009, Herb Schultz, Architect's Rendition, page 150:
- Ninety minutes earlier, Vicki was sprawled in bed, lips dry, nipples sore, and chest still heaving after an hour of kissing, fondling, tribbing, tonguing, and the commission of other acts of passionate love-making.
2011, Reggie Chesterfield, Hot and Dirty Wives, page 41:
- She loved tribbing and knew that this was going to be a great experience.