(idiomatic) up to here

Deeply engaged in something, to the point of being overwhelmed.

(simile) Very long.

Alternative form of take one's chance

(mathematics) The fact that, in some circumstances, the probability of an event can only be zero or one and not any intermediate value.

Synonym of blow one's top

(idiomatic) To struggle to think or remember something.

present participle of shoot one's load

present participle of blow one's load

present participle of dump one's load