Someone who frequently engages in excessive, random fornication with anyone or anything.

A man who stands above the simple shagger. ‘Top’ shagger status is only achieved after many years of partying, seducing women & generally not giving 2 fucks about what people think. Often loved by fellow lads but hated by females in the local area.

A common insult of Welsh people

Someone who has sex with their partner while on their lunch break from work.

an oven shagger is someone (usually a boy) who has cheated on their girlfriend or treated her wrong. these people are called oven shaggers because they are so desperate for sex that they would probably shag an oven. that is not always the case though. girls can also call their boyfriends oven shaggers if the boyfriend chooses is xbox/playstation over you or doesn’t make enough effort with you. oven shaggers are usually skinny white boys who don’t know what they’re getting them self’s into when they get a girlfriend. you will usually find an oven shagger: cheating, being rude, and shagging ovens or other girls

When you've ejaculated numerous times and the size of your testicles reduce significantly.