Definitions by TheOG18

grandma tuna 

Due to your grandmas age when she tries to get it on, the resulting ejaculate is congealed and lumpy liked canned tuna.

jizz ejaculate cum

My grandpa came downstairs and had grandma tuna on his face and said “she’s still got it just a little lumpy”

grandma tuna by TheOG18 March 7, 2019