Urbanfucktionary's definitions
A total and complete knobhead who has no respect for others and has zero common sense or intelligence
Chloe : my boyfriend spent all day yesterday messaging other girls on snapchat whilst I was still there
You: really? Ew. He’s such a sesil!
You: really? Ew. He’s such a sesil!
by Urbanfucktionary February 8, 2018
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