Eating a girl out from the vagina whilst her being on her period and the day she has diarrhoea. She proceeds to poo during the eating out session and you go for her ass after she squirts from her vagina.
Dude 1 - Last night, me and my girl got frisky and I give her the welsh monster chomp
Dude 2 - No way dude! you caught her on a good day!
similar to the dutch rudder;
however, involves someone penetrating their ass with their own finger and having a welshbroad move their arm for pleasure.
scotty does welsh rudders
owen watches scotty do welsh rudders
When you're having a conversation with your mate from Swansea and he keeps on biting on every comment.
Chris: So Liverpool lost again; you think Klopp should get fired?
Gareth: Ahh man you don't know anything about football, look at their net spend thou......blah blah blah.
Chris: These welsh piranha's are biting today ;o)