Top Definition
An obscure and unfeasibly specific fetish, which involves using ones national flag for masturbatory purposes.

The vexillologist wraps the flag around his 'old chap' and uses it to mop up his mess afterwards.
He says he is a nationalist but I think that is just a cover for his vexillology.
by Benny June 23, 2004
6 Words related to vexillology
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