1. smeg - Verb
2. smeg - Interjection
smeg
(slang) Used as a swear word.
smeg (third-person singular simple present smegs, present participle smegging, simple past and past participle smegged)
(slang) To mess up.
This is our Smeg fridge, the whole house is made of Smeg. We're made of Smeg, aren't we, Roy?" "Yes, dear. Dylan Moran
They put SMEG in huge letters across every one of these appliances, with no inkling at all that SMEG is two letters away from being foreskin cheese. Source: Internet