635a6a27_es_of_Wordplay___Education_com__Type
[Description] A tangle of words in which sounds are switched, often with a humorous effect. These “slips of the tongue,” named for Reverend William Spooner (1844–1930), usually occur when a person is speaking quickly. [Examples] butterfly—flutterby go and take a shower—go and shake a tower save the whales—wave the sails [Type] 
Spoonerism
A l l i t e r a t i o n
E p o n y m
H y p e r b o l e
O n o m a t o p o e i a
O x y m o r o n
P a l i n d r o m e
P e r s o n i f i c a t i o n
P i g L a t i n
P o r t m a n t e a u
S p o o n e r i s m
Types of Wordplay | Education.com