'To sport one's oak' definitions:

Definition of 'To sport one's oak'

From: GCIDE

Sport \Sport\, v. t.
1. To divert; to amuse; to make merry; -- used with the reciprocal pronoun. [1913 Webster]
Against whom do ye sport yourselves? --Isa. lvii. 4. [1913 Webster]
2. To represent by any kind of play. [1913 Webster]
Now sporting on thy lyre the loves of youth. --Dryden. [1913 Webster]
3. To exhibit, or bring out, in public; to use or wear; as, to sport a new equipage. [Colloq.] --Grose. [1913 Webster]
4. To give utterance to in a sportive manner; to throw out in an easy and copious manner; -- with off; as, to sport off epigrams. [R.] --Addison. [1913 Webster]
To sport one's oak. See under Oak, n. [1913 Webster]