Persneadle
Purr-snee-dull (Verb) The act of echolocation within a large tube.
Would you like to persneadle in the local sewer?
Persneadling is a very fun way of communication.
I heard the people next door persneadled yesterday.
Persneadling is a very fun way of communication.
I heard the people next door persneadled yesterday.