1. [early 19C+] keenly, enthusiastically.
2. [1910s; 2010s] intimately.
[1900s] (Aus.) duplicitous, deceptive.
see under come it v.1
see under come on v.1
[late 19C] to act generously.
[mid–late 19C] to exaggerate.
1. [mid-19C+] to speak frankly, to act forcefully.
2. [1910s] (Aus.) to act unrestrainedly, e.g. as regards sex.
see under pitch v.
[1950s–70s] (US black) to act in an aggressive, determined manner.