Adj.
The act of steamrolling is to
A. When in bed with another to roll over them while laughing histarically
B. During sex when the girl is on top she does a motion like "the worm" over your body which flattens you to the bed.
C.When a girl makes you cum so hard you lay flattened against the bed.

B usually leads to C and A might lead to B if you play your cards right.

verb

When the female is forces her pelvic bone over your genitals while she thrusting forward, usually eliciting excruciating pain, during the sexual act of dry-humping.

The act of taking a large steamy dump on the windshield of a car, then sliding on your stomach down onto the hood.

An act in which an individual slides backwards across the face of another, and ideally, passes gas. Often performed during gay sex, steamrolling can also be used to punish a party-goer who has fallen asleep with shoes on.

When you roll around in bed while having sex with a girl.......or boy.

(In a level system game)

When you complete a level on your very first try.