An aggressive sexual act between twohomosexual males in which both males must be large hairy men, otherwise known as "bears" or "yaks". The men must face off to one another on all fours while completely nude and attempt to establish dominance through only the use of their penises and makeshift yak horns made of dildoes attached with duct tape.
Adam and Jeffrey, both bears, slapped dildoes to their heads and began yakking when their wives went to the store.
Refers to the use of the app Yik Yak, which is basically anonymous twitter confined to a certain area; used mainly by students. Also a pun on jacking off.
People in this school are just constantly yakking off.
1) - Talking on and on and on without saying much of anything of substance.
2) - Spending way too much time telling people how wonderful you are
Other versions: "Yak Off" and/or "Yakked Off"
I tried to watch the GOP debate last night, but all I saw was Donald Trump yakking off again!!
While our lifespan is the number of years we will live, our healthspan is the number of healthy years we will have and our sexspan is is the number of years we will continue to be healthy enough to continue having an active sex life.