look up any word, like blumpkin:
 
1.
a polite and cockney rhyming slang for wank
Im goin for a tommy tank
by Deano Thommo July 23, 2005
 
2.
cockney rhyming slang for Wank
oh i just had a tommy tank
by matthewmatthew123 January 23, 2008
 
3.
to masterbate or play with ones slef
boy 1 : can you come out
Boy 2 : no im having a tommy tank
by singaman May 22, 2005