Paradiddle

Paradiddle: When drumming, a sequence that uses the same hand twice consecutively is called a diddle (e.g LL, using the left hand twice). A paradiddle alternates hand and ends with a diddle.

Paradiddle: LRLL RLRR
Double Paradiddle: LRLRLL RLRLRR
Triple Paradiddle: LRLRLRLL RLRLRLRR
Paradiddle Diddle: LRLLRR LRLLRR or RLRRLL RLRRLL

Matty [was] stuck paradiddling a pencil on his blotter.

Eric sighed, paradiddled the wood under his fingers.