Penis Lag 

When your penis freezes to avoid ejaculation while in the act of sexual intercourse or while buttsecksing.

I had mad penis lag after a few minutes because I didn't want it to end.

Penis Lag by Jarryd January 23, 2006

Penis Lag 

When your penis becomes erect a considerable amount of time after being in a sexual or semi sexual situation

I saw a really hot chick at the bakery, but I had some mad penis lag, and didn't get a boner until I was down the block!

Penis Lag by jfitty359 August 30, 2019