Best definition
wankus interuptus
The act of being interrupted during self pleasure, by any means. Derived from the early latin, and similar to coitus

interruptus, it was coined by Dr Bryan in the early ’10s. The worst instance of this is when the individual is almost cumming, and their pleasure is interrupted and are rendered unable to continue

Tom 1: Oh man i had the worst case of wankus interuptus last night

Tom 2: Yeah mate?

Tom 1: yeah, was almost about to cum, when my sister came home and i had to stop

Tom 2: Oh man i fucken hate wankus interruptus