tom-cat noun & verb. ['tɒmkat] Also (the usual form in sense A.2) tomcat. E19.
[from TOM noun¹ + CAT noun¹.]
A. noun. Orig. two words.
1. A male cat. E19.

2. A lecherous or sexually aggressive man, a womanizer. colloq. (orig. US). M20.
b. verb intrans. Infl. -tt-. Pursue women promiscuously for sexual gratification. Freq. foll. by around. N. Amer. slang. E20.
■ W. P. McGivern A guy tom-catting around while his wife's away.

[TahlilGaran] English Dictionary ▲