strutting

To swell; protuberate; bulge or spread out.

(originally said of fowl) To stand or walk stiffly, with the tail erect and spread out.

To walk proudly or haughtily.

“He strutted about the yard, thinking himself master of all he surveyed.”

To cause to swell; enlarge; give more importance to.

To protrude; cause to bulge.

To brace or support by a strut or struts; hold in place or strengthen by an upright, diagonal, or transverse support.

The act of one who struts.