Definition: Moving or able to move, operate, function, or take effect quickly.
Meaning: very fast; speedy; high-speed.
Generational/regional variation: used in older generation (1980s) in Canada (and possibly in the U.S.)
Handshape rhymes (language play): FAST, RUN, SPEED.
First 100 words.
As you feel more comfortable with the first few hundreds of ASL signs, progress further with your vocabulary and learn signing more.