Top definition
When one shoves his spread open hand up one's clit, then grabs whatever he can to rip out, the meat pulled out is usually tuna-like in texture, and flavor, and leaves the victim virtually disabled.
Person 1: Hey is your wife ok? Shes been potty dancing for 3 days straight.

Person 2: Oh i was tuna finning her pretty aggressively a few nights ago.
via giphy
by bjac0 August 12, 2018
Get the mug
Get a tuna finning mug for your Uncle Georges.