Gutshot

draws

An inside straight draw — needing one specific rank (4 outs).

Gutshots are weak draws (~16% by the river). Don’t chase them without big implied odds or as a semi-bluff component of a bigger play.

See also

Backdoor
A draw needing two perfect cards (turn + river) to complete.
Drawing Dead
Having no card left in the deck that can win the hand.
Flush Draw
Four cards of the same suit, needing one more for a flush.
OESD
A straight draw with two ranks completing it (8 outs).