Green’s Dictionary of Slang

skate v.1

1. [mid-19C+] (also do a skate, skate off, skeet, skeete, skite) to rush off, to leave at speed, to go quickly.

2. [1940s+] (orig. US black) to get away with anything, to shirk one’s responsibilities, esp. to avoid paying one’s debts.

3. [1960s+] to perform or make something, e.g. an essay or a meal, quickly.

4. [2000s] (US prison) to be in a forbidden area of the prison.

In derivatives

skater (n.)

[1910s] (US) one who runs off (and escapes paying a bill).

In phrases

skate on (v.)

[1970s+] to take advantage of.

skate off (v.)

see sense 1 above.