Math
Form both hands into the letter 'M' (thumb between middle and ring finger), hold them side-by-side or one above the other, and twist them so the fingertips alternate pivoting toward each other twice.
I have an A
Point to yourself (I), sign "have," and then sign the letter "A".
Dance
Place your non-dominant hand flat with the palm facing up to represent the dance floor. With your dominant hand, make an upside-down "V" shape (using index and middle fingers) and swing it back and forth over the palm.
Class is Easy
Sign CLASS (two 'C' hands circling to touch pinkies) followed by EASY (flicking the fingers of one hand up off the back of the other).
Funny
To sign "funny" in American Sign Language (ASL), you create a motion near your nose that mimics a clown's red nose. It is a very common, simple sign.
Chemistry
Form both hands into "C" shapes with palms facing down, and alternate dipping them inward toward the center while rotating.
I have a B
Point to yourself (I), sign "have," and then sign the letter "B".
Art
Hold your non-dominant hand flat, palm facing you as a canvas, and use your dominant pinky finger to draw a wiggling "S" motion across it.
Class is hard
Two 'C' hands circling to touch pinkies) followed by HARD/DIFFICULT (two bent-V hands, dominant tapping/scraping over the base hand).
Smart
Touch the tip of your middle finger to your forehead, then flick your hand outward and slightly upward.
History
Use an "H" handshape (thumb tucked, index and middle fingers extended) with the dominant hand, shaking it slightly forward or in a small circle, often repeated
I have a C
Point to yourself (I), sign "have," and then sign the letter "C".
Chorus
Form a 'C' handshape with your dominant hand and move it from side to side in front of your non-dominant hand, which acts as a base.
Class is fun
Two 'C' hands circling to touch pinkies) followed by FUN (two 'U' hands, with the dominant hand tapping the nose and moving down to touch the non-dominant hand).
Mean
For unkind, use a claw-hand shape (5-hand) moving down in front of the mouth/chin.
Psychology
Use both hands with a flat, open "B" handshape. Place the dominant hand's pinky edge on the space between the non-dominant hand's thumb and index finger, tapping it twice while the non-dominant palm faces outward.
Failing
Use your dominant hand in a "V" shape and slide it forward across the palm of your non-dominant flat hand, falling off the fingertips.
Theatre
Form both hands into the letter 'A', place them in front of your chest, and alternate them in a circular, pedaling motion (similar to a bicycle).
I hate class
Use a combination of signs for "I," "HATE," and "CLASS," or a more direct, conceptual approach.
Bully
Form a "Y" handshape with your dominant hand (thumb and pinky extended) and create "horns" near your forehead, then move it downward twice to knock against the knuckles of your non-dominant upright index finger.
Biology
Form both hands into "B" handshapes (fingers extended and together, thumb folded across the palm) with palms facing outward. Move your hands slightly apart in small, alternating forward circles in neutral space.
Passing
Hold both hands in "A" handshapes (fists, thumbs on the side) with the non-dominant hand stationary and the dominant hand brushing past it from back to front.
Band
Form a "B" handshape with your dominant hand and move it from side to side in a gentle, sweeping motion to represent a group of singers.
Combine the signs for "I," "Love," and "Class".
Popular
Form a flat "5" handshape with your dominant hand and a "1" (index finger) handshape with your non-dominant hand. Tap the back of your non-dominant index finger with your dominant palm, then pivot to tap the front of the same finger.