The slang convi is probably short for convidado, meaning: someone who is invited to share something, treated to something; or maybe convite, which is a banquet or, by extension, the treat itself.

Based on the above, it makes sense that when someone says "sin convis" what they mean is "no invitees" or "no treats", i.e. they do not want to share.

The slang convi is probably short for convidado, meaning: someone who is invited to share something, treated to something; or maybe convite, which is a banquet or, by extension, the treat itself.

Based on the above, it makes sense that when someone says "sin convis" what they mean is "no invitees" or "no treats", i.e. they do not want to share.

The slang convi is probably short for convidado, meaning: someone who is invited to share something, treated to something; or maybe convite, which is a banquet or, by extension, the treat itself.

Based on the above, it makes sense that when someone says "sin convis" what they mean is that they do not want to share.

The slang convi is probably short for convidado, meaning: someone who is invited to share something, treated to something; or maybe convite, which is a banquet or, by extension, the treat itself.

Based on the above, it makes sense that when someone says "sin convis" what they mean is "no invitees" or "no treats", i.e. they do not want to share.