Smile. It's more of a standard 'universal' gesture, more than it is an actual sign. :-)
No, flipping someone off is not a part of formal sign language used by the Deaf community for communication. It is considered offensive and disrespectful in most cultures and is not used as a gesture in sign language.
A sign language teacher is commonly referred to as a "sign language instructor" or "ASL (American Sign Language) teacher."
Sign language
With your middle finger.
All names in ASL are fingerspelled, especially when introducing yourself to someone. However, if you are Deaf or a part of the Deaf community you may have what is called a name sign, which will differ depending on the name.
Someone who interprets using sign language is typically referred to as a sign language interpreter.
A sign language teacher is commonly referred to as a "sign language instructor" or "ASL (American Sign Language) teacher."
Sign language
people are deaf so someone made a hand language
With your middle finger.
All names in ASL are fingerspelled, especially when introducing yourself to someone. However, if you are Deaf or a part of the Deaf community you may have what is called a name sign, which will differ depending on the name.
Use sign language!
(See related Link) This is a link to a youtube video of someone performing the national anthem in sign language.
I have listed this as part of another answer here: What_is_sign_for_king_in_asl
Someone who interprets using sign language is typically referred to as a sign language interpreter.
To sign "reminding" in American Sign Language (ASL), you can fingerspell "REMIND" and then use a facial expression or gesture to indicate the concept of reminding. Alternatively, you can sign "REMEMBER" followed by a gesture that signifies prompting or jogging someone's memory.
You would say this with the sign for "you" and the sign for "silly."
In sign language, touching your fist to your elbow typically represents the letter "A." This is part of the manual alphabet used in American Sign Language to spell out words and names.