When there is a row of cars all traveling at the same speed on a highway with no one in front of them while restricting everyone else behind them from moving forwards freely.
Thanks to those inconsiderate barbarians that decided to create a vehicular cock block I ended up missing my flight.
A woman or man (or both) that is so fat that they can't hookup with their sex partner, because their fat prevents them from reaching each other's genital areas.
Man, my dad couldn't stick his penis in my mom, because my mom was a lard cock-block.