"Shrimps short" joke

A few shrimps short of a barbie.

A few spoons short of a full set.

A few straws shy of a bale.

A few tiles missing from his space shuttle.

A few tiles short of a successful re-entry.

A few too many lights out in his Christmas tree.

A few volts below threshold.

A few yards short of the hole.

A flash of light, a cloud of dust, and... What was the question?

A gross ignoramus -- 144 times worse than an ordinary ignoramus.

A hop, skip, and jump from success, but to get there he`d have to give up chewing gum.

A kangaroo loose in her top paddock.

A lap behind the field.

A little light in his loafers. (Apparently offensive to some? Sorry.)

A looney tune.