Akademik

thunk
1. verb /θʌŋk/
to strike against something, without breakage, making a "thunk" sound

Who would have thunk those guys would have a problem with a little lye?

2. noun /θʌŋk/
a) a delayed computation
b) In the Scheme programming language, a function or procedure taking no arguments.
See Also: thunking

Wikipedia foundation.