Pulling a USA is when ur turning left onto a 4 lane road, and instead of going into the first lane, u decide it would be alright in heavy traffic to go straigt into the 4th lane

A jack off buddy (from 'cum' /'come', meaning 'semen', and 'companion'); a friend that you get together with for sessions of solo or mutual masturbation
Variant of: cumpanion (from 'companion' & 'cum'); jack off buddy & wank bud & JO buddy
Similar to: fuck buddy