schefflasaurus 

(Also known as Scheffler)

Schefflasaurs, meaning "chemistry dog lizard" (from the Greek Scheffler meaning 'gigantic load of homework related ions that growl at people' and sauros/óáõñïò meaning 'lizard'), is a deprecated genus of sauropod dinosaurs.

Person 1: Hey man, wanna chill afterschool?
Person 2: I can't... I've got to deal with a brutal schefflasaurus tonight.
Person 1: I'll get the caffeine pills.

schefflasaurus by sycophant November 22, 2007

Sweffle 

To slap someone in the face repeatedly with ones penis.

The man would sweffle his coworkers every morning until he was arrested for sexual abuse.

Sweffle by dixie normas & drew peacock November 21, 2013

Schweffing 

1. The act of sleazily coming on to a member of the opposite sex, often utilising alcohol, ridiculously colourful clothing and eye-watering lines of Austin Powers style calibre, usually delivered in an drawling accent straight-outta Surrey. A Schweffe can be of either sex.

Chap 1: Mate, did you see Georgie schweffing up Charles and the hunt ball last night? He could barely stand straight.

Chap 2: Ya, I tried to get close to ask if he was alright but she kicked me straight in the cock and told me to fuck off.

Schweffing by Ballchops October 25, 2012

Shweff

Shweff or Schweff, refers to a person who ditches friends of their gender to hang out with members of the opposite sex

Guy 1: Hey have you seen Ollie?
Guy 2: yeh he's being a fucking Shweff over there with Jodie and Anna-Leigh

Shweff by loyalty.card.jigolo November 8, 2014

Schweffe

The inverse of chav. A schweffe can be spotted around town often wearing a tweed jacket and red trousers. Aka a hooray henry.

Gary: Did you just spot that nobber walk past wearing the Barbour jacket and wellies?

Dave: Yes mate, what a tool. He must be a schweffe.

Schweffe by Johnywadd June 15, 2012

shweff

someone who is disgustingly slimey in female company

damn he's sweffing so bad tonight

shweff by Big Jonny Love Skuse March 11, 2004

Schweffing 

The male or female form of interaction, with the opposite sex, including flirting or attempting to pull.

Or more loosely defined as any interaction/banter/chilling/pulling between any guy or girl.

Jem: Mate are you schweffing tonight?
Harry: Yeah thinking of schweffing the floor 8 girls actually, fancy schweffing along?
Jem: Yeah I was gonna see if Steve was up for a schweff, but apparently he's schweffing Ellie!
Harry: OK.. Schweff ya later!

Schweffing by schweffatron3000 March 10, 2011